五年级上册口算脱式计算竖式计算方程
五年级上期计算练习题
五年级上册计算题一、口算:3.6+4.4 = 10-5.2 = 3.4 × 0.2= 7.8÷ 6= 1÷4 = 7.5÷0.3 = 9.8- 8 = 0÷27. 9=6.5 ×0.2= 0.1×0.5= 13.2+6.8= 0.15÷15= 2+3.8= 9-4.5= 0.42×3= 11+0.92 =4÷5= 1.8÷0.03= 75÷2.5= 0×25.4=二、计算1.简算。
7.5-0.26-1.74+2.5 0.25×13×4 18-2.7-9.332×0.125 3.5×3+3.5×7 4.5×20-3.5×202、脱式计算。
82.3-40.5÷0.81×1.2 4.53+19.8÷(26.8-1.2×4) (9-0.45)÷(2.5+1.5×3) [1-0.98×(3.51-3.51)]÷2三、列式计算。
4.5 除 3 与 1.5 的和,商是多少? 0.5 乘4.8 与 3.5 的差,积是多少?3.6 加上 1.2 的 5 倍,再减去 2.88 ,差是多少?小数除法练习题1、脱式、方程计算。
213.6÷0.8÷0.3 16.6÷5.5X=1.732.8X=10.5÷0.6 42÷(5.25÷0.25)2.列竖式计算.4.8÷3 36.8÷16 59.51÷11 82.8÷723.列式计算①一个数的25倍是37.75,这个数是多少?②把305.2平均分成14份,一份是多少?4.应用题。
(1)一个正方形的周长是37.4分米,这个正方形的边长是多少分米?(2)一艘远洋货轮每小时的速度是29千米,要航行449.5千米,需要多少小时?(3)甲数是17.25,乙数是36,丙数是24.9,求这三个数的平均数。
五年级口算题+竖式题+脱式题
5÷2= 9.1-1.9= 0.36÷0.9= 0×0×5.4= 5.4= 2.5×2.5×4.4= 4.4= 3.06÷3= 6.6-6= 7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×2×0.32= 0.32= 12.5×12.5×0.8= 0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8= 5.4+6= 0.6÷5= 3.3×3.3×8= 8= 竖式:2.19÷0.3= 5.58÷3.1= 0.84÷3.5= 脱式:0.75×0.75×1818÷0.15 2.07÷0.23÷0.45 1.2+0.08= 7.2÷0.09= 0.13×0.13×4= 4= 0.3÷0.2= 1.2÷0.4= 0.6×0.6×11= 11= 0.45÷0.15= 0.25+0.5= 15×15×0.3= 0.3= 10÷2.5= 5.8-0.9= 3.4÷2= 0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6= 12.4÷4= 12.5×12.5×4= 4= 9.5÷0.5= 脱式:脱式:21.36÷0.8-12.9 7.28+3.2÷2.5 竖式:竖式:10.8÷4.5 2.7÷7.5 8.84÷1.7 0.96÷0.8= 2.4×2.4×11= 11= 8.1÷9= 60.3+0.67= 2.8×2.8×5= 5= 0.72÷0.6= 0.5×0.5×6= 6= 0.001÷0.1= 187÷100= 0.9+0.28= 1÷4= 4.03×4.03×0.5= 0.5= 1.8×1.8×0.5= 0.5= 4.5÷0.15= 2.4×2.4×5= 5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3= 0.06×0.06×0.9= 0.9= 竖式:竖式:6.21÷0.03= 15÷0.06= 19.76÷5.2= 脱式:脱式:1.08×1.08×0.80.8÷0.27 2.05÷0.82+33.6 0.4+0.26= 2.5×2.5×6= 6= 5.4×5.4×6= 6= 0.07×0.07×20= 20= 0.45÷5= 3.5-2.9= 0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×0.3×2.9= 2.9= 17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5= 60×60×3.2= 3.2= 8.4÷0.5= 87-8.7= 40.32÷24= 111÷0.3= 6.92×6.92×0.84= 0.84= 脱式:脱式:1.08×1.08×0.80.8÷0.27 2.05÷0.82+33.6 4.2×4.2×5= 5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89= 0.6×0.6×0.2= 0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1= 0.125×0.125×80= 80= 4×4×2.5= 2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06= 1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 2.8×2.8×6.25= 6.25= 2.07÷0.023= 1.23÷0.03= 脱式:脱式:44.28÷0.9÷4.1 9.07-22.78÷3.4 13.8+9.9= 2.4×2.4×2.52.5= 0.05×0.05×0.80.8= 2.56-0.37= 1.25×1.25×0.8×0.8×0.8×0.50.5= 12×12×2.52.5= 1.23×1.23×33= 3.2÷3.2÷1.6= 1.6= 3.5+3.5×3.5×33= 19.6÷19.6÷22= 8.8÷8.8÷2.2= 2.2= 0.75×0.75×44= 0.5×0.5×0.8= 0.8= 8.4×8.4×0.2= 0.2= 1.6×1.6×0.20.2= 7.2×7.2×0.3= 0.3= 2.8×2.8×0.3= 0.3= 0.9÷0.9÷0.15= 0.15= 1.8×1.8×0.4= 0.4= 5.5÷5.5÷0.55= 0.55= 竖式:竖式:32.5÷32.5÷2.5= 2.5= 1.36×1.36×0.05= 0.05= 0.06×0.06×1.7= 1.7= 解方程:解方程:4x-2=10 8x-4×8x-4×14=0 14=0 0.08×0.08×100= 100= 2.2÷2.2÷0.11= 0.11= 5.46+4.54= 12.5×12.5×0.8= 0.8= 0.35×0.35×0.3= 0.3= 1.4×1.4×5= 5= 2.8×2.8×4= 4= 19.6÷19.6÷4= 4= 4÷0.5= 7.5÷1.5= 10÷2.5= 3.52÷1= 1.5÷3= 2.2×2.2×6= 6= 0.42÷7= 0.42÷0.6= 0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 竖式:竖式:2.08×2.08×75= 75= 65÷65÷2.6= 2.6= 2.3÷2.3÷0.46= 0.46= 解方程:解方程:43-x=38 x ÷4.5=1.2 4.8÷0.16= 8.4÷0.4= 1.8×1.8×5= 5= 4.5÷0.9= 2.9÷100= 1.5÷0.03= 4.4÷0.11= 9.6÷16= (1.5+0.25)×4= 22.5×22.5×4= 4= 1÷0.01= 4.2×4.2×5= 5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89= 0.6×0.6×0.2= 0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 竖式:(保留两位小数)(保留两位小数)5.87÷1.9 11.9÷0.72 42.3×42.3×0.78 0.78 解方程:解方程:x-8=16 5x=80 16.5×16.5×10= 10= 0.56×0.56×100= 100= 3.78×3.78×100= 100= 4÷4÷0.8 = 0.8 = 3.215×3.215×100= 100= 0.8×0.8×10= 10= 4.08×4.08×100= 100= 1.1×1.1×0.2 = 0.2 = 0.6×0.6×0.8 = 0.8 = 3×3×0.9= 0.9= 2.5×2.5×0.4= 0.4= 3.6×3.6×0.4= 0.4= 12.5×12.5×8= 8= 50×50×0.04= 0.04= 80×80×0.3 = 0.3 = 1.1×1.1×9= 9= 0.16×0.16×5 5 ﹦ 1.78+2.2 = 9.6÷9.6÷0.6 = 0.6 = 1.2×1.2×0.5-0.4 = 0.5-0.4 = 竖式:竖式:28.5÷28.5÷15= 15= 2.73×2.73×1.5= 1.5= 8.3-2.63= 解方程:解方程:(5x-12)×8=24 (100-3x )÷2=8 0.7÷0.7÷0.01 = 0.01 = 2.5×2.5×0.4 = 0.4 = 12-3.9= 1.25×1.25×8÷8÷8÷1.25 = 1.25 = 6.6÷6.6÷0.66 = 0.66 = 5.37×5.37×0+4.63 = 0+4.63 = 3.9+2.03= 4.2÷4.2÷3.53.5= 1.6+2.4×1.6+2.4×0.3 = 0.3 = 2.14-0.9= 2.7+7.3= 0.3×0.3×0.3= 0.3= 7.2+2.8= 0.9÷0.9÷0.010.01= 12÷12÷0.3=0.3= 2.87÷2.87÷0.70.7= 13÷13÷44= 0.96÷0.96÷0.30.3= 1.5×1.5×0.40.4= 7÷7÷0.250.25= 竖式:竖式:32.5÷32.5÷2.5= 2.5= 1.36×1.36×0.05= 0.05= 0.06×0.06×1.7= 1.7= 解方程:解方程:6x-35=13 3x-12×3x-12×6=6 6=6 9.65÷9.65÷0.1= 0.1= 0.325×0.325×100= 100= 2.5 ×8= 0.56÷0.56÷0.7= 0.7= 0.1254= 3.28×3.28×0.1= 0.1= 3.9÷3.9÷0.13= 0.13= 7.2×7.2×0.1= 0.1= 0.01×0.01×0.1= 0.1= 0.25×0.25×0.4= 0.4= 1.6÷1.6÷0.8= 0.8= 1.25×1.25×0.8= 0.8= 1÷1÷2.5= 2.5= 3.2÷3.2÷0.04= 0.04= 0÷0÷1.7= 1.7= 0.22×0.22×102= 102= 9.6÷9.6÷0.8= 0.8= 5×5×0.24= 0.24= 4.5-0.05= 3.7×3.7×4.6= 4.6= 0.48×0.48×1.5= 1.5= 0.29×0.29×0.07= 0.07= 脱式:0.25×0.25×4.78×4.78×4.78×4 4 0.65×0.65×202 202 16.5÷16.5÷0.5= 0.5= 5×5×0.12= 0.12= 24×24×0.5= 0.5= 4.8×4.8×0.5= 0.5= 2.8+4.2= 0.84÷0.84÷2.1= 2.1= 5÷5÷0.25= 0.25= 7.8÷7.8÷0.01= 0.01= 5.4÷5.4÷0.6= 0.6= 3.2÷3.2÷5= 5= 7×7×0.62= 0.62= 0.56÷0.56÷0.8= 0.8= 7.4-2.8= 0.18÷0.18÷0.2= 0.2= 0.16÷0.16÷8= 8= 4.5×4.5×0.02= 0.02= 8+7.2= 1.2×1.2×30= 30= 0.012×0.012×0.2= 0.2= 1.8×1.8×23= 23= 0.37×0.37×0.4= 0.4= 1.06×1.06×25= 25= 脱式:1.6×1.6×7.5×7.5×7.5×1.25 1.25 0.8×0.8×0.25×0.25×0.25×0.4×0.4×0.4×12.5 12.5 9÷9÷6= 6= 3.6÷3.6÷0.12= 0.12= 7.8÷7.8÷0.6= 0.6= 2÷2÷5= 5= 4.5+5= 0.3÷0.3÷0.6= 0.6= 0.96÷0.96÷0.2= 0.2= 10.5×10.5×0.4= 0.4= 7.3+0.27= 8×8×0.125= 0.125= 0.54÷0.54÷0.6= 0.6= 0.61+0.39= 0.56÷0.56÷28= 28= 10÷10÷20= 20= 4.08÷4.08÷0.4= 0.4= 11-9.4= 0.8×0.8×0.11= 0.11= 0.72+12.8= 5.6÷5.6÷0.01= 0.01= 7×7×0.86= 0.86= 0.6×0.6×0.39= 0.39= 27×27×0.43= 0.43= 脱式:3.4×3.4×7×7×7×1.5 1.5 6.1×6.1×3.6+3.6×3.6+3.6×3.6+3.6×3.9 3.9 7.2×7.2×0.8= 0.8= 6.9-2.5= 4.5×4.5×2= 2= 4.7+2.3= 0.62-0.32= 1.4×1.4×0.5= 0.5= 0.75×0.75×100= 100= 0.02×0.02×0.5= 0.5= 0.125×0.125×8= 8= 3.6÷3.6÷0.3= 0.3= 6.3÷6.3÷7= 7= 0.75÷0.75÷0.25= 0.25= 4.8÷4.8÷0.3= 0.3= 0.96÷0.96÷2= 2= 0.56÷0.56÷28= 28= 0.36÷0.36÷0.4= 0.4= 0.64÷0.64÷0.8= 0.8= 0.72÷0.72÷3.6= 3.6= 3.6÷3.6÷24= 24= 20.4÷20.4÷24= 24= 3.64÷3.64÷52= 52= 28.6÷28.6÷11= 11= 脱式:0.75×0.75×18÷18÷18÷0.15 0.15 7.28+3.2÷7.28+3.2÷2.5 2.5 0.108÷0.108÷2= 2= 9.6÷9.6÷0.8= 0.8= 10.8÷10.8÷9= 9= 2.4÷2.4÷0.8= 0.8= 0.4×0.4×0.5= 0.5= 6.9×6.9×0.1= 0.1= 4.95×4.95×1000= 1000= 3.08×3.08×0.01= 0.01= 0.35×0.35×0.6= 0.6= 8.65×8.65×10= 10= 24÷24÷15= 15= 10÷10÷20= 20= 1.64÷1.64÷41= 41= 12.5÷12.5÷5= 5= 5.2÷5.2÷13= 13= 12.8÷12.8÷4= 4= 46.7-3.8= 7.2+12.8= 0.8×0.8×1.1= 1.1= 5.6÷5.6÷100= 100= 竖式:72÷72÷15= 15= 25.5÷25.5÷6= 6= 14.21÷14.21÷7= 7= 脱式:2.07÷2.07÷0.23÷0.23÷0.23÷0.45 0.45 21.36÷21.36÷0.8-12.9 0.8-12.9 2.3×2.3×100= 100= 0.75×0.75×100= 100= 1.64÷1.64÷41= 41= 5.2÷5.2÷13= 13= 16-5.07= 1.75+32.5= 0.108×0.108×2= 2= 2.5×2.5×16= 16= 0.75÷0.75÷0.25= 0.25= 1.4×1.4×0.5= 0.5= 84÷84÷0.21= 0.21= 3.27+0.63= 5.02×5.02×0.3= 0.3= 0.3×0.3×0.5= 0.5= 6.4÷6.4÷4= 4= 0.7÷0.7÷0.35= 0.35= 0.72÷0.72÷1.44= 1.44= 0.48÷0.48÷0.04= 0.04= 1.25÷1.25÷2.5= 2.5= 7.2÷7.2÷1.8= 1.8= 竖式:42÷42÷28= 28= 19.8÷19.8÷3.3= 3.3= 18×18×0.45= 0.45= 解方程:3(2x-4)=9 1.4x+9.2x=53 8×8×1.25= 1.25= 1.54÷1.54÷2= 2= 4.2÷4.2÷0.7÷0.7÷0.7÷6= 6= 0.4×0.4×8.6×8.6×8.6×25= 25= 0.27÷0.27÷0.3= 0.3= 2.5×2.5×101= 101= 3.8×3.8×5= 5= 0.26×0.26×0.3= 0.3= 1.02×1.02×0.2= 0.2= 8.4×8.4×0.02= 0.02= 1.29×1.29×6= 6= 0.8×0.8×0.05= 0.05= 0.8×0.8×0.13= 0.13= 8.71÷8.71÷0.1= 0.1= 21÷21÷0.21= 0.21= 0.72÷0.72÷1.44= 1.44= 12.6÷12.6÷0.03= 0.03= 0.34÷0.34÷17= 17= 8.08÷8.08÷0.4= 0.4= 28÷28÷16= 16= 22.4÷22.4÷4= 4= 24÷24÷15= 15= 解方程:18+7x=39 (3x-7)÷5=16 0.5×0.5×2.2= 2.2= 1.24÷1.24÷4= 4= 16.8÷16.8÷8= 8= 0.54+2.2= 3.5-0.05= 2÷2÷0.02= 0.02= 0.25×0.25×40= 40= 1.5×1.5×0.6= 0.6= 0.32÷0.32÷0.8= 0.8= 12.25÷12.25÷0.5= 0.5= 73.5×73.5×0.1= 0.1= 46.5+52.5= 0.45×0.45×102= 102= 0.25×0.25×88= 88= 2.8×2.8×5= 5= 2.4×2.4×11= 11= 8.1÷8.1÷9= 9= 0.5×0.5×6= 6= 2.16-1.6= 1.26÷1.26÷18= 18= 0.646÷0.646÷19= 19= 1.35÷1.35÷27= 27= 解方程:16+x=71 12.3x-7.5x=57.6 4.25×4.25×4= 4= 0.07×0.07×0.5= 0.5= 33×33×0.04= 0.04= 6.5×6.5×4= 4= 23×23×0.06= 0.06= 15×15×0.08= 0.08= 0.09×0.09×0.9= 0.9= 4.7×4.7×0.1= 0.1= 54×54×0.8= 0.8= 16×16×0.03= 0.03= 0.8×0.8×0.9= 0.9= 0.6×0.6×100= 100= 17.5×17.5×0.01= 0.01= 3.2×3.2×0.5= 0.5= 25×25×0.4= 0.4= 12.5×12.5×0.8= 0.8= 6×6×6.5= 6.5= 3.6×3.6×0.7= 0.7= 6.5×6.5×0.4= 0.4= 8.5×8.5×0.2= 0.2= 竖式:328÷328÷16= 16= 15.6÷15.6÷12= 12= 1.35÷1.35÷15= 15= 解方程:13.2x+9x=33.3 8x-3x=105 0.66×0.66×0.3= 0.3= 2.5×2.5×0.4= 0.4= 7.7×7.7×0.8= 0.8= 0.012×0.012×20= 20= 4.6×4.6×0.4= 0.4= 3×3×0.09= 0.09= 2.2×2.2×0.05= 0.05= 4.1×4.1×0.6= 0.6= 0.75×0.75×0.4= 0.4= 23×23×0.4= 0.4= 0.32×0.32×100= 100= 5.5×5.5×2= 2= 4.73×4.73×1= 1= 0×0×23.5= 23.5= 25×25×0.4= 0.4= 7.2×7.2×0.5= 0.5= 3.3×3.3×0.5= 0.5= 60×60×0.8= 0.8= 3.4×3.4×0.6= 0.6= 8.5×8.5×0.3= 0.3= 竖式:2.6×2.6×1.08= 1.08= 3.2×3.2×2.5= 2.5= 56×56×1.3= 1.3= 解方程:5.4x+x=12.8 x-0.36x=16 3.69÷3.69÷0.9= 0.9= 2.28÷2.28÷0.3= 0.3= 0.25×0.4= 1.6÷0.8= 0.8×7= 1.32×8= 1.5×7= 0.7×8=10.3×2= 3.5×0.2=0.9×0.3= 5×0.6= 10×0.05= 0.13×7= 0.7×4= 0.05×4= 12.5×8= 0.4×50= 3.25×0= 2.3×4=竖式:18×18×0.36= 0.36= 5.5×5.5×7.9= 7.9= 33×33×56= 56= 脱式:2.55×7.1+2.45×7.1 (31.8+3.2×4)÷5 3.5×0.01= 9×0.5= 0×9.8= 3.9+0.39=4.1×2= 2.6×3= 1.25×8= 7.5×0.1=1×0.06= 0.9×0.3=9×0.5= 2.5×0.4= 10-3.52= 8.2+1.8= 0.2×0.4= 0.22×4= 0.9-0.52= 3.99×1= 4×0.3= 30×0.1= 8.5×8.5×0.3= 0.3= 竖式:4.6×4.6×3.7= 3.7= 6.3×6.3×2.5= 2.5= 86×86×1.3= 1.3= 脱式:31.5×4÷(6+3)0.4×0.7×0.25 1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷1.4÷0.5= 0.5= 1.55÷1.55÷0.5= 0.5= 3.15÷3.15÷0.7= 0.7= 1.86÷1.86÷0.2= 0.2= 1.04÷1.04÷0.8= 0.8= 0.38÷0.38÷0.1= 0.1= 1.36÷1.36÷0.2= 0.2= 1.16÷1.16÷0.4= 0.4= 0.12÷0.12÷0.6= 0.6= 0.27÷0.27÷0.9= 0.9= 0.48÷0.48÷0.2= 0.2= 8.73÷8.73÷0.9= 0.9= 0.72÷0.72÷0.3= 0.3= 0.46÷0.46÷0.1= 0.1= 0.22÷0.22÷0.2= 0.2= 3.45÷3.45÷0.5= 0.5= 竖式:0.416÷32= 1.26÷28= 86÷16= 脱式:777×777×9+1111×9+1111×9+1111×3 3 12.8×12.8×99+12.8 99+12.8 1.92÷1.92÷0.4= 0.4= 0.9÷0.9÷0.3= 0.3= 5.11÷5.11÷0.7= 0.7= 0.35÷0.35÷0.1= 0.1= 3.92÷3.92÷0.8= 0.8= 4.32÷4.32÷0.9= 0.9= 0.24÷0.24÷0.8= 0.8= 3.15÷3.15÷0.7= 0.7= 0.98÷0.98÷0.7= 0.7= 1.8÷1.8÷0.6= 0.6= 1.76÷1.76÷0.4= 0.4= 2.64÷2.64÷0.4= 0.4= 7.56÷7.56÷0.9= 0.9= 1.19÷1.19÷0.7= 0.7= 1.53÷1.53÷0.9= 0.9= 1.33÷1.33÷0.7= 0.7= 1.18÷1.18÷0.2= 0.2= 0.09÷0.09÷0.1= 0.1= 0.21÷0.21÷0.1= 0.1= 6.3÷6.3÷14= 14= 0.54÷0.54÷6= 6= 7.83÷7.83÷9= 9= 脱式:3.6×3.6×102 102 3.72×3.72×3.5+6.28×3.5+6.28×3.5+6.28×3.5 3.5 4.5×4.5×2= 2= 6.9-2.5= 7.2×7.2×0.8= 0.8= 6×6×3.4= 3.4= 0.62-0.32= 1.4×1.4×0.5= 0.5= 0.75×0.75×100= 100= 0.02×0.02×0.5= 0.5= 3.6÷3.6÷0.3= 0.3= 6.3÷6.3÷7= 7= 5.6÷5.6÷100= 100= 0.75÷0.75÷0.25= 0.25= 0.125×0.125×8= 8= 4.8÷4.8÷0.3= 0.3= 0.96÷0.96÷2= 2= 0.56÷0.56÷28= 28= 0.36÷0.36÷0.4= 0.4= 0.64÷0.64÷0.8= 0.8= 0.72÷0.72÷3.6= 3.6= 72÷72÷15= 15= 14.21÷14.21÷7= 7= 25.5÷25.5÷6= 6= 脱式:15.6×15.6×13.1-15.6-15.6×13.1-15.6-15.6×13.1-15.6-15.6×2.1 2.1 4.8×4.8×7.8+78×7.8+78×7.8+78×0.52 0.52 0.8×0.8×1.1= 1.1= 7.2+12.8= 46.7-3.8= 12.8÷12.8÷4= 4= 5.2÷5.2÷13= 13= 12.5÷12.5÷5= 5= 1.64÷1.64÷41= 41= 10÷10÷20= 20= 24÷24÷15= 15= 8.65×8.65×10= 10= 0.35×0.35×0.6= 0.6= 3.08×3.08×0.01= 0.01= 4.95×4.95×1000= 1000= 6.9×6.9×0.1= 0.1= 0.4×0.4×0.5= 0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 0.396÷0.396÷1.2=1.2=0.756÷0.756÷0.36=0.36= 15.6×15.6×13=13=脱式:0.25×0.25×16.2×16.2×16.2×4 4 66.86-8.66-1.34 4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1.54÷1.54÷0.2= 0.2= 8.28÷8.28÷0.9= 0.9= 3÷3÷0.5= 0.5= 1.71÷1.71÷0.3= 0.3= 7.44÷7.44÷0.8= 0.8= 2.48÷2.48÷0.8= 0.8= 0.75÷0.75÷0.5= 0.5= 1.92÷1.92÷0.8= 0.8= 1.2÷1.2÷0.8= 0.8= 0.07÷0.07÷0.7= 0.7= 竖式:0.18×0.18×15=15=3.06×3.06×36=36=3.84×2.6≈脱式:320÷320÷1.25÷1.25÷1.25÷8 8 7.09×10.8-0.8×7.09 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75=1.2-0.8= 0.83-0.5= 竖式:5.76×5.76×33=16.9÷16.9÷0.13= 0.13= 7.15×7.15×22=22=脱式:21×(9.3-3.7)-5.6 15.02-6.8-1.02 12.5×12.5×8= 8= 2.3×2.3×4= 4= 3.25×3.25×0= 0= 0.4×0.4×50= 50= 30×30×0.1= 0.1= 2.6×2.6×3= 3= 4.1×4.1×2= 2= 0.35×0.35×0.2= 0.2= 7.5×7.5×0.1= 0.1= 2.5×2.5×2= 2= 0.5×0.5×10= 10= 0.6×0.6×8= 8= 2.8×2.8×10= 10= 0.7×0.7×0.8= 0.8= 5.6+0.4= 4.7+2.3= 4.5×4.5×2= 2= 7.2×7.2×0.8=0.8= 6×6×3.4= 3.4= 90.75÷90.75÷3.3= 3.3= 3.68×3.68×0.25= 0.25= 1.55÷1.55÷3.9= 3.9= 脱式:0.79×0.79×199 199 (7.7+1.54)÷0.7 0.75×0.75×100=100= 0.02×0.02×0.5= 0.5= 3.6×3.6×0.3= 0.3= 5.6×5.6×100= 100= 0.75÷0.75÷0.25= 0.25= 0.125×0.125×8= 8= 0.86÷0.86÷2= 2= 0.56÷0.56÷28= 28= 0.36÷0.36÷0.4= 0.4= 0.7×0.7×9=9= 3.6÷3.6÷24= 24= 0.8×0.8×1.1= 1.1= 46.7-3.8= 12.8÷12.8÷4= 4= 5.2÷5.2÷13= 13= 1.64+4.1= 10÷10÷20= 20= 24÷24÷15= 15= 0.35×0.35×0.6= 0.6= 35.4×35.4×4.2= 4.2= 0.042×0.042×0.54= 0.54= 5.22÷5.22÷29=29=脱式:(31.8+3.2×31.8+3.2×44)÷5 28-(3.4+1.25×3.4+1.25×2.42.4)4-1.4= 82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1= 0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 5×5×400= 400= 19.9+11.1= 187÷187÷1000= 1000= 1+3.89= 0.081×0.081×10= 10= 75÷75÷10= 10= 0.96÷0.96÷8= 8= 0.8×0.8×7= 7= 1.5×1.5×7= 7= 竖式:0.76×0.76×0.32= 0.32= 6.45×6.45×0.73=0.73=1.5×1.5×26.7=26.7=脱式:28.8÷28.8÷3.2-19.2÷3.2-19.2÷3.2-19.2÷3.2 3.2 48×48×100.1 100.1 1.32×1.32×8= 8= 0.7×0.7×8= 8= 10.3×10.3×2= 2= 5×5×0.6= 0.6= 0.9×0.9×0.3= 0.3= 3.5×3.5×0.2= 0.2= 2.01×2.01×0= 0= 10×10×0.05= 0.05= 0.13×0.13×7= 7= 0.21×0.21×100= 100= 0.7×0.7×4= 4= 0.05×0.05×4= 4= 4×4×0.3= 0.3= 430-250= 0.17+0.06= 1.02-0.09= 7200÷7200÷800= 800= 0.17+0.6= 0.83-0.6= 17×17×300= 300= 竖式:13.95÷13.95÷3.1=3.1=3.08×3.08×0.43=0.43=0.43×0.43×0.28=0.28=脱式: (300-94.8)÷0.5 11.16÷(10-0.7)0.62-0.32= 0.75×0.75×100=100= 0.02×0.02×0.5= 0.5= 3.6×3.6×0.3= 0.3= 5.6×5.6×100= 100= 0.75÷0.75÷0.25= 0.25= 0.125×0.125×8= 8= 0.86÷0.86÷2= 2= 0.56÷0.56÷28= 28= 0.36÷0.36÷0.4= 0.4= 0.7×0.7×9=9= 3.6÷3.6÷24= 24= 0.8×0.8×1.1= 1.1= 46.7-3.8= 12.8÷12.8÷4= 4= 5.2÷5.2÷13= 13= 1.64+4.1= 10÷10÷20= 20= 24÷24÷15= 15= 0.35×0.35×0.6= 0.6= 竖式:4.6×4.6×0.6= 0.6= 8.9×8.9×0.05= 0.05= 4.8×4.8×0.250.25=脱式: 110×110×0.1-1.4 0.1-1.4 7.28+0.94+2.72+0.06 0.98-0.09= 0.2+0.78= 600×600×0.7= 0.7= 10.2+0.02= 0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷8500÷500= 500= 3.2-3.2= 3.7+2.3= 25×25×100= 100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷3500÷70= 70= 3.1+3= 3.8+0.38= 竖式:8.4×8.4×1.3= 1.3= 6.4×6.4×0.5= 0.5= 4.48×4.48×0.4=0.4=脱式:5180-705×5180-705×6 6 25.48-(9.4-0.52)7500÷7500÷250= 250= 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 630÷630÷9= 9= 4.5-0.4= 9.5-5= 330×330×9= 9= 9.53-1.53= 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 竖式:2.5÷2.5÷0.7= 0.7= (保留三位小数)10.1÷10.1÷3.3= 3.3= (商用循环小数)10.75÷10.75÷12.5= 12.5= 脱式:0.25×0.25×16.2×16.2×16.2×4 4 (1.25-0.125)×8 。
五年级7套口算题100道,脱式计算15道,解方程15道,解决问题5
一套一、口算。
100道χ+83.1=100.1x+1。
8×2=7.5 1.6×χ=3.28χ÷0。
18 =8.45 1.26÷χ=28112-4 x=38x÷7.2=15-3。
8 2x+18=317x-3x-2x=39χ÷ 1 0。
2=0。
5 (χ+12)×6=108 12。
5× 88=42÷ 0.7÷ 6 = 10。
2× 35=5。
6÷3。
5=7。
2× 48+52× 7。
2=2 x+x-6=1516.7—0。
92—1。
08= 7+5χ=421。
8× 4。
5=3。
6÷0。
1=2。
5×4=1。
5×4=13—7。
5χ=18。
7 χ÷ 0.13 =16。
9 (16.8+1.6)÷ 4 =0。
49÷0。
7=0.75+0.8=0.13×4=2。
4-0。
8=8.5×100=5.4÷10=3.2÷100=0.45÷0.15=18×0。
3=1。
2÷0.3=8。
5÷1.7=4.2×1000=0.04×25=53.73-17.49=8.76+0。
351=42。
4+7。
6=1.58+2。
42=7.8-5。
6=1。
25×4=7。
8×0。
5=3。
9+2。
7=0。
24÷0。
3=2.5×4=0.3÷10=1.25×8=12-3。
8=8.1-0.05=0.24÷0.3=0.2×0.5=2.5×3=4.4÷(5×0.2)=7×1.3=0.96÷0.06=0。
36×0。
3=0。
35÷0。
五年级上册数学口算与计算-暑假天天练 人教新课标版(无答案)
7月1日一、直接写出得数3.2×5= 786+114= 7.8÷3= 0.25×8=1.6÷3.2= 0.8×1.25= 0.48÷12= 135÷5=1.53-0.7= 25×2=二、简便计算。
3.6 ×3.6+1.4 ×3.6 0.25×0.8×0.125×0.42.7×1.5-2.77月2日一、直接写得数420×35= 25×19=10-5.4= 236+99= 95÷19= 0.3÷1.5= 1.3+0.07= 4-0.32=7.2÷0.18= 5×0.13=二、计算X÷0.38=1.65 X×0.7=10.7 4.2-X=0.8一、直接写得数4.5×80= 0.75×4= 0.375×2= 150÷0.75=1-0.43= 4.25+0.85= 11.2-9.8= 43÷0.01=3.8+6.03= 0.8-0.37=二、用竖式计算,验算。
35.8+7.62= 100-82.13=三、计算(能简算的要简算)1.3+2.9+8.7+0.1 35.72-4.9-(5.72+5.1) 25-4.7+5.37月4日一、直接写得数1.2÷0.4= 4×0.08=237+99= 16×25= 5.8-0.9=7.2+1.9= 1.25×8= 6.5÷5= 1.4×30= 4.8÷0.3=二、小数乘法竖式计算题57×5.7 9.46×2.85 17.8×6.4一、直接写得数2.7÷90=3.7-1.9-8.1= 3.2+4.9= 2+3.48= 0.5×14= 2.7×3= 20×3.6= 0.4÷100=0.28×4= 6.3÷0.9=二、竖式计算5.555×5.2 2.22×3.33 7.658×8536.02×0.3 56.78×87月6日一、直接写得数7.5÷5= 12.5×8= 2.4+5.9= 6÷0.2=8.4×2= 5.1-2.9= 1.4×0.7= 3.7-2.4=8.4÷0.7= 30×1.2=二、竖式计算0.18×15 0.025×14 3.06×36一、直接写得数0.15×0.3= 7.2÷0.12=0.02×100= 1-0.95= 0.25×8= 0.12÷6= 3.2×40= 3.24+0.8×7=3.5×20= 0.4×0.05=二、竖式计算5.76×1.3 7.15×22 15.6×13 3.68×0.25 3.7×0.0167月8日一、直接写得数39×4= 51×9= 77×7= 874×3=304×5= 106×10=178×3= 78×9=1.573×6= 3.52×100 =二、脱式计算30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15]一、口算40×0.5= 6.8÷4=14×0.5=12.5÷5= 3. 2÷0.8=4×9.5×2.5=15×0.04=3÷0.6= (3.6-3.6) ÷9.1=4.8÷4=二、脱式计算2.55×7.1+2.45×7.1 777×9+1111×3 31.5×4÷(6+3)0.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷57月10日一、口算4.5+0.76= 1-0.01= 0.54-0.5= 6.5-5.6=10-4.28= 4.8+2= 0.24+0.6= 1.7+0.3=37.8-16.4-13.6= 1.8+0.2-1.8+0.2=0.64×25×7.8+2.2 2÷2.5+2.5÷2 5180-705×6194-64.8÷1.8×0.9 36.72÷4.25×9.97月11日一、直接写得数45+15×6= 250÷5×8=6×5÷2×4= 30×3+8= 400÷4+20×5=10+12÷3+20= 360÷40= 40×20= 70+(100-10×5)= (80÷20+80)÷4=二、简便计算8.7 × 17.4 - 8.7 × 7.4 4.8 ×(15 ÷ 2.4)12.5×0.4×2.5×8 9.5×101 40.5 ÷ 0.81 × 0.187月12日一、口算2.5×2= 0.5×10= 0.6×8= 2.1×2=4.7+2.3= 4.5×2=二、脱式计算2.5×56+4.5×65 (3.2×1.5+2.5)÷1.6 2.73+1.5×4 (6.8-6.8×0.55)÷8.5 0.12×4.8÷0.12×4.87月13日一、口算6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=6.9-2.5=7.2×0.8=二、简便计算6.81+6.81×99 (9.37+9.37+9.37+9.37)× 2.50.25×185×40 4.4×0.8-3.4×0.87月14日一、口算0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2=0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=3.6÷24= 0.8×1.1=二、简便计算2.5×1.25×0.32 0.25×39+0.250.125×723.8×10.1 2.5×(3.8×0.04) 7.69×1017月15日一、口算12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=10÷20= 24÷15= 8.65×10= 0.35×0.6=7.2+12.8= 46.7-3.8=二、简便计算46×0.33+54×0.33 9.5×99(8×5.27) ×1.256.81+6.81×997月16日一、口算3.08×0.01=4.95×1000= 6.9×0.1= 0.4×0.5=2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=4.95÷0.9= 9.65÷0.1=二、解方程35x+13x=9.6 0.52×5-4x=0.6 0.7(x+0.9)=42 3.5x = 140 1.3x+2.4×3=12.47月17日一、口算0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=0.325×100= 2.5×8=二、解方程2x +5 = 40 15x+6x = 168 5x+1.5 = 4.513.7+x =1 5.29 4.2 × 3+3x = 157月18日一、口算1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=3.9÷0.13 16.5÷0.5=二、解方程20.5+4x=28.1 3.6x÷1.2=9.75 18×1.5+1.7x=13.4 18.5x-9.9x=1.721 9.2x+1.5x=32.17月19日一、口算4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25= 7.8÷0.01=5.4÷0.6= 3.2÷5= 7×0.62=5×0.12= 24×0.5=二、脱式计算3.2×(1.5+2.5)÷1.6 6-1.6÷4 6.5×(4.8-1.2×4)5.38+7.85-5.37 56-1.19×3-0.437月20日一、口算0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=7.3×0.3= 0÷6=二、解方程8x-7.2×5=11.2 4x+3×0.7=6.5 1.2x+0.4x=9.6 8x+4.5 =20.5 2(x+0.8)=427月21日一、口算2.4÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=3.6÷0.12= 7.8÷0.6=二、脱式计算0.68×2.5+0.32×1.9 2÷2.5+2.5÷2 5.8×(3.87-0.13)(6+9.728÷3.2)×2.5 0.8×〔15.5-(3.21+5.79)7月22日一、口算0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=10-9.4= 0.8×0.11= 7.2+12.8= 5.6÷0.01=2.3×100= 0.75×100=二、脱式计算(31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 194-64.8÷1.8×0.9 10.15-10.75×0.4-5.77月23日一、口算7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=0.108÷2= 10.8÷9=二、计算并验算,保留一位小数1.89÷0.54 7.1÷0.25 22.78÷3.42.05÷0.82 6.509÷0.277月24日一、口算0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=1.75+32.5= 16-5.07=二、脱式计算,能简算的要简算。
五年级上册数学-方程、口算、竖式专项同步练习
五年级上册数学计算专项练习题一、口算0.9÷0.01= 7÷0.25= 8.5×0.1= 20÷0.5= 9×0.2+0.8= 1+0.45= 7×0.9= 1.2÷3= 2.4×0.6= 20-6.8=0.84÷0.2= 3.5+3.3×3= 0.4+1.5= 8.6-7= 0.4×0.9=2.5×4=3.9÷3.9= 2.4÷0.08= 0.25×4×6= 9.6÷0.3= 2.3+4.7= 0.5×1.1= 0×12.5=5.6÷0.8= 3.5×0.2=0÷5.55= 0.36÷0.09= 4.3-2.3= 23.7÷10= 1×9.9=2.8÷0.4= 0.213×0.05= 9.8÷0.7= 1.8-0.5=3.2÷32=1.5-0.06= 6.2-0.5= 0.48÷12= 3÷0.5= 3.2-2.6=3.2-2.9= 21÷0.3= 213×5= 21.3×5= 2.13×0.5=5a-a= 1.2×0.4+1.3×0.4= 0.1×0.1= 5.4+7= 0.6×0.9= 0.78×100= 1.85×0= 5×0.4+5×1.6= 0.39÷0.03=0.37×10= 0.37×100= 0.37×1000= 25×4= 2.5×4= 0.25×4= 2.8+8= 5×12= 5×1.2= 5×0.12=13×3= 1.3×30= 0.13×300= 8×0.5= 2.4÷4=4.5÷5= 12.5+0.5= 16×0.5= 1.2÷3= 0.3×0.7=7.2÷0.8= 24.8-8= 3.2÷4= 0.23×3= 4.8÷6=0.4÷8= 6÷0.02= 4.68÷0.02= 1÷0.25= 1÷8=二、列竖式计算:0.5×18= 2.48×60= 1.05×0.02=1.08×6.3= 12.5×8= 6.24÷0.3=18÷12= 1.09÷12= 28.6÷11=1.17÷9= 1÷8= 81.9÷39=6.21÷3= 0.28×34= 0.3×0.75=2.15×6.8= 0.468÷12= 2.85×5.2=18.9÷2.3≈ 2.5÷24≈700÷12≈18÷21≈45.86÷2.2≈3.74÷1.3≈25.5÷0.65≈19.8÷12= 93÷0.31= 86.4÷32=三、脱式计算(能用简便方法的用简便方法计算)4.2×7.8+2.2×4.2 0.9+0.9×99 8.45-0.45×0.119.4×0.9+0.1×19.4 2.3+9×(22-19.7)6.8×99+6.8 2.06+2.06×99 1.9×2.34+1.9×7.664.2×7.8+2.2×4.2 2.12×3.5+7.88×3.57.8×0.24+0.76×7.8 3.6×2.3+0.77×3615.15×6+15.15×3+15.15 2.5×(40-4)12.58×6.4+3.6×12.58 3.8×1.96-3.8×0.4676.3×27-76.3×17 0.6×(10-8.02)(0.38+0.67)×1.2 0.25×9.87×4 92.4÷3.4÷21.25×0.25×3.2 32×0.25×12.5 12.5×5.7×0.81.25×2.5×8×4 1.25×0.5×8×0.2 1.25×1.5×0.80.6×2.5×0.5×4 0.25×368×40 12.5×2.5×0.8×412.5×0.4×2.5×8 23.7×0.25×8 32÷0.25÷0.445.6÷2.5÷0.4 4.8÷0.24÷2 5.26+3.14+4.74+4.8612.25+36+7.75 6.4+0.74+3.7+0.26 18.16-0.23-0.878.59-4.1×0.1-4.59 5.6×[1.98-(1.45-0.31)] 4÷0.8-0.8÷4 4.8+[1.6÷(2.4÷0.6)] [0.15+(2.4-1.8)]×2017÷[(1.2+0.5)×5] (3.2-0.299÷0.23)×(8-7.48)5.65×[4.98-(2.4÷0.6)] 18.75-0.23×2-4.542.8×5.5×1.3 5.5×1.52-2.03 0.71+0.25×0.4(8.6-1.7)×0.08 10-3.8×0.4÷7.6 1.2×(5.2-2.5)÷0.30.25×[(2.8+4.4)÷1.2] [0.15+(2.4-1.8)]×20(0.59+0.16)×0.12 0.87×3.16+4.64 6.4÷0.8-1.5×4 (1-0.2)÷(1-0.84)17÷[(1.2+0.8)×5]13.2÷[20.5-(3.6+5.9)] 18.8÷[(8.5+11.5)÷2]四、解下列方程。
2023年小学人教版五年级上册数学期末常考易错试题《计算题》 含答案
2023年人教版小学数学五年级上册期末常考易错专项《计算题》一、口算和估算1.直接写得数。
5×3.2=7-4×0.5=0.4×0.4= 1.25×0.8=2.5÷0.1=0.8+0.08=4-0.55=12.8÷4=2.直接写出得数。
9.8÷0.7=5×1.8=4+3.6=3-0.98=4.1×0.6= 1.96÷0.4=a×a×7.3=11÷22=3.直接写出得数。
0.47+2.3=5÷0.1=0.8×0.3=36÷0.3= 1.85-1.85÷1.85=3-1.8=0.52÷4= 1.25×8= 4.8÷0.02=0.7×0.3÷0.7×0.3=4.直接写出得数。
0.6×0.3=1÷0.25= 4.5-1.9=0.75+0.25=8.4÷0.84=0.05×0.04=1-0.65= 1.98÷9=0.54÷18= 1.25×4=0.6×0.4×0= 5.8+1.02=5.口算。
0.25×4=0.72÷12=0.8×12.5= 6.8÷4=13.8×0=100×9.95=0.81÷0.9= 2.4×5=6.直接写出得数。
25×0.4= 3.6+6.4=0÷0.98=0.7×0.8=6.4÷0.8=3.5×2=0×0.77= 5.9-3.9= 2.7÷9=2a+4a=7.直接写出下面各题的结果。
3.5×6=4.3+5.7=8.6÷0.1=0.72×2=0.5×0.7= 1.2-0.9=0.27÷0.3= 4.3a -3a=8.直接写出得数。
部编人教版五年级上册数学计算题大全
部编人教版五年级上册数学计算题大全1、竖式计算:1.06×2.5=2.65,2.7×0.43=1.161,28.2×0.45=12.695.6×1.3=7.28,0.1575÷3.15=0.05,0.612÷1.8=0.342、脱式计算:2.139÷9.3×6.2=1.44,376-1.5÷0.24=370.250.72×0.8÷0.32=1.8,4.264÷(0.16×20.5)=12.53、计算下面各题。
能简便的用简便方法计算4.05÷0.5+10.75=19.55,21.6÷0.8-1.2×5=22.5,6.8×2.7+2.7×3.2=23.588.4×6.9÷(6.44-4.14)=60,0.38×102=38.76,4.8×0.27+0.52×2.7=1.9444、解方程5.5x+6.7=7.8,x=0.228-x+3.6=20,x=11.63.5x-0.8x=11.34,x=3.95、应用题1、设平均每次运x箱,则5x+30=480,解得x=902、设乙每小时行x千米,则16×4+(16+x)×t=150-30,解得x=223、设桃树有x棵,则杏树有x+180棵,解得桃树450棵,杏树630棵4、面积为长×宽=348×69=平方米5、设兔子睡了t分钟,则2.5×(200-t)=32t+40,解得t=56、设二班平均每人植y棵,则42×8=(39+y)×(8+63/39),解得y=77、设每张桌子x元,则3x+4×32=308,解得x=808、设正方形边长为a,则2×(a+24)=4a,解得a=24,面积为24×24=576平方厘米9、设另一辆汽车每小时行驶y千米,则55×3+(55-y)t=400-10,解得y=6510、设鸡和兔子的数量分别为x和y,则x+y=35,2x+4y=94,解得x=23,y=126、行程问题1、设甲乙两城相距x千米,则200=3x,解得x=66.672、设轮船去时的速度为v,则返回时的速度为v+7,210/v+210/(v+7)=6,解得v=35,返回时用了8小时3、设原本需要的分钟数为t,则60t=840,(60+t)×50=840,解得t=12,需要26分钟。