五年级上册口算比赛题
人教版数学五年级上册口算(每天5分钟60题及答案)
人教版数学五年级上册口算(每天5分钟60题及答案)五年级上册数学口算练习题一、加法计算1. 26 + 48 =2. 57 + 39 =3. 82 + 15 =4. 63 + 29 =5. 47 + 51 =二、减法计算1. 95 - 37 =2. 84 - 26 =3. 73 - 19 =4. 68 - 42 =5. 97 - 59 =三、加减混合计算1. 37 + 45 - 21 =2. 88 - 29 + 41 =3. 73 + 19 - 36 =4. 52 - 17 + 34 =5. 69 + 27 - 38 =四、乘法计算1. 7 × 6 =2. 8 × 5 =3. 9 × 4 =4. 6 × 9 =5. 5 × 8 =五、除法计算1. 18 ÷ 3 =2. 24 ÷ 6 =3. 35 ÷ 5 =4. 42 ÷ 7 =5. 45 ÷ 9 =六、加减乘除混合计算1. 24 + 36 - 15 × 2 =2. 57 ÷ 3 + 20 - 6 =3. 42 - 15 × 4 ÷ 6 =4. 69 × 3 + 54 ÷ 9 =5. 80 - 25 ÷ 5 + 10 × 2 =七、填空题1. 48 + 15 = ____2. 75 - 32 = ____3. 46 + 17 - 23 = ____4. 84 - 25 + 36 = ____5. 63 × 2 ÷ 3 = ____八、挑战题1. 某班级有35个男生，占总人数的50%，这个班级一共有多少个学生？2. 小明身上有100块钱，他买了两本数学书，每本书的价格是26元，然后又买了一本英语书，这本书的价格是19元。
小明还剩下多少钱？3. 一个矩形的长是12米，宽是8米，这个矩形的面积是多少平方米？4. 一包巧克力有32块，小明和小红平均分，每人分几块？5. 一个教室里有48个学生，老师要将他们分成6个小组，每组有多少人？以上是五年级上册口算练习题，希望能帮助你熟练掌握数学口算。
北师大版数学五年级上册口算(每天5分钟60题及答案)
北师大版数学五年级上册口算(每天5分钟60题及答案)北师大版数学五年级上册口算(每天5分钟60题及答案)一、两位数加法1. 26 + 17 =2. 34 + 23 =3. 45 + 27 =4. 58 + 31 =5. 63 + 42 =6. 72 + 25 =7. 84 + 39 =8. 97 + 58 =9. 48 + 75 =10. 53 + 66 =二、两位数减法1. 72 - 34 =2. 57 - 28 =3. 46 - 19 =4. 63 - 29 =5. 87 - 41 =6. 91 - 58 =7. 77 - 45 =8. 64 - 38 =9. 52 - 27 =10. 95 - 73 =三、两位数加减混合1. 26 + 17 - 9 =2. 34 - 23 + 8 =3. 45 + 27 - 13 =4. 58 - 31 + 14 =5. 63 + 42 - 18 =6. 72 - 25 + 17 =7. 84 + 39 - 23 =8. 97 - 58 + 29 =9. 48 + 75 - 41 =10. 53 - 66 + 25 =四、三位数的整十整百加法1. 300 + 100 =2. 400 + 200 =3. 600 + 300 =4. 800 + 400 =5. 900 + 100 =6. 500 + 200 =7. 700 + 300 =8. 200 + 100 =9. 100 + 500 =10. 400 + 800 =五、三位数相邻整十整百加减法1. 390 + 100 - 20 =2. 480 - 200 + 30 =3. 670 + 300 - 40 =4. 720 - 300 + 50 =5. 950 + 100 - 60 =6. 450 - 200 + 70 =7. 780 + 300 - 80 =8. 840 - 400 + 90 =9. 160 + 500 - 60 =10. 390 - 800 + 90 =六、数的分解与组合1. 25 + 50 + 15 =2. 60 - 20 + 80 =3. 18 + 72 - 28 =4. 35 - 15 + 45 =5. 63 + 17 - 27 =6. 80 - 40 + 20 =7. 92 + 18 - 39 =8. 55 - 35 + 15 =9. 47 + 23 + 30 =10. 75 - 25 + 40 =七、括号中的运算顺序1. (16 + 7) - 5 =2. 10 + (12 - 4) =3. (25 - 15) + 14 =4. 18 - (10 + 4) =5. (20 + 8) - 9 =6. 14 + (16 - 7) =7. (13 - 7) + 5 =8. 12 - (9 + 2) =9. (16 + 3) - 8 =10. 15 - (9 - 3) =八、两位数乘一位数1. 24 × 3 =2. 37 × 4 =3. 52 × 5 =4. 65 × 6 =5. 78 × 7 =6. 81 × 8 =7. 96 × 9 =8. 48 × 6 =9. 57 × 8 =10. 63 × 9 =九、两位数除一位数1. 36 ÷ 4 =2. 48 ÷ 6 =3. 57 ÷ 7 =4. 69 ÷ 9 =5. 84 ÷ 8 =6. 73 ÷ 7 =7. 25 ÷ 5 =8. 68 ÷ 4 =9. 87 ÷ 9 =10. 52 ÷ 4 =十、场景问题1. 爸爸买了两本书，每本书48元，他给了收银员100元，要找回多少钱？2. 小明剩下62块钱，他想买一件30块钱的衣服，他还差多少钱？3. 有45个学生参加了活动，其中有17个女生，男生有多少个？4. 一个盒子里有78颗糖果，小红拿走了25颗，还剩下多少颗？5. 小明一周学习数学5天，每天学25分钟，一共学了多少分钟？6. 小刚家养了3只猫，每只猫每天吃20克猫粮，一共需要多少克猫粮？7. 一辆公交车上有85个人，下车的人有27个，还剩下多少人？8. 标尺的长度为30厘米，刻度从0开始，小明想从3厘米的位置开始画一个长度为9厘米的线段，应该画到哪个刻度上？9. 一瓶果汁有600毫升，小明喝了350毫升，还剩下多少毫升？10. 一个故事书有72页，小明读了45页，还剩下多少页？答案：一、1. 43 2. 57 3. 72 4. 89 5. 105 6. 97 7. 123 8. 155 9. 123 10. 119二、1. 38 2. 29 3. 27 4. 34 5. 46 6. 33 7. 32 8. 26 9. 25 10. 22三、1. 34 2. 19 3. 59 4. 41 5. 87 6. 64 7. 100 8. 68 9. 82 10. 12四、1. 400 2. 600 3. 900 4. 1200 5. 1000 6. 700 7. 1000 8. 300 9. 600 10. 1200五、1. 470 2. 310 3. 930 4. 470 5. 990 6. 320 7. 700 8. 440 9. 60010. 800六、1. 90 2. 120 3. 62 4. 65 5. 53 6. 60 7. 71 8. 32 9. 100 10. 90七、1. 18 2. 18 3. 24 4. 9 5. 29 6. 23 7. 11 8. 1 9. 11 10. 9八、1. 72 2. 148 3. 260 4. 390 5. 546 6. 648 7. 864 8. 288 9. 45610. 567九、1. 9 2. 8 3. 8 4. 7 5. 10 6. 10 7. 5 8. 17 9. 9 10. 13十、1. 52元 2. 32元 3. 28个 4. 53颗 5. 125分钟 6. 60克 7. 58个8. 到12刻度 9. 250毫升 10. 27页。
人教版小学五年级数学上册口算能力竞赛测试100题 全套
人教版小学五年级数学上册口算能力竞赛测试100题全套以下是XXX五年级口算能力测试题：4.7+2.3=74.5×2=96.9－2.5=4.47.2×0=06×3.4=20.40.62－0.32=0.30.47+0.13=0.63.08×0.01=0.03084.95×1000=49506.9×0.1=0.690.4×0.5=0.22.4÷0.8=35×0.12=0.624×0.5=124.8×0.5=2.42.8＋4.2=7 0.84÷2.1=0.4 5÷0.25=200.32÷0.8=0.4 12.25÷0.5=24.5 6×6÷6×6=1 46.5＋52.5=99 8×1.25=105.6÷3.5=1.6 1.4×0.5=0.7 0.75×100=75 0.02×0.5=0.01 3.6÷0.3=126.3÷7=0.95.6÷100=0.056 0.75÷0.25=3 0.125×8=14.8÷0.3=16 0.96÷2=0.48 0.56÷28=0.024.5-1.3=3.23.4-2.8=0.69.53-1.53=8 8.8-6.7=2.110+0.08=10.08 7.2+12.8=20 46.7－3.8=42.9 12.8÷4=3.25.2÷13=0.4 12.5÷5=2.51.64÷41=0.04 10÷20=0.524÷15=1.60.3+0.27=0.57 10.8÷9=1.29.6÷0.8=120.108÷2=0.054 4.95÷0.9=5.5 9.65÷0.1=96.5 0.325×100=32.52.5×8=200.56÷0.7=0.8 0.125×4=0.5 3.28×0.1=0.328 3.9÷0.13=30 7.2×0.1=0.72 0.01×0.1=0.0010.25×0.4=0.11.6÷0.8=21÷2.5=0.41.25×0.8=1 3.2÷0.04=800÷1.7=01-0.61=0.39 0.47+0.23=0.7 0.25+0.75=1 3.7+0.33=4.03 0.51+0.33=0.84 16.5÷0.5=33 7.8÷0.01=7805.4÷0.6=93.2÷5=0.647×0.62=4.34 0.56÷0.8=0.7 7.4－2.8=4.6 0.18÷0.2=0.9 0.16÷8=0.02 4.5×0.02=0.09 8＋7.2=15.2 1.2×30=362÷0.02=1000.25×40=101.5×9.9=14.850.25×88=221.54÷2=0.77 42=420.012×2=0.024 5.5＋55=60.5 16.8÷8=2.1 0.54＋2.2=2.743.5－0.05=3.454.2÷0.7÷6=1 0.45×102=45.9 0.52=0.523.2-3.2÷3.2=2.24.5×0.02=0.09 8＋7.2=15.2 1.2×30=362÷0.02=1000.25×40=101.5×9.9=14.850.25×88=221.54÷2=0.77 42=4224×0.5=124.8×0.5=2.4 2.8＋4.2=70.84÷2.1=0.45÷0.25=207.8÷0.01=7805.4÷0.6=93.2÷5=0.647×0.62=4.34 0.56÷0.8=0.7 7.4－2.8=4.6 0.18÷0.2=0.9 0.16÷8=0.02 4.5×0.02=0.09 8＋7.2=15.2 1.2×30=364.5×2=96.9－2.5=4.47.2×0.8=5.76 6×3.4=20.40.62－0.32=0.31.4×0.5=0.7 0.75×100=75 0.02×0.5=0.01 3.6÷0.3=12 6.3÷7=0.95.6÷100=0.056 0.75÷0.25=3 0.125×8=14.8÷0.3=16 0.96÷2=0.48 0.56÷28=0.02 0.36÷0.4=0.9 0.64÷0.8=0.8 0.72÷3.6=0.2 3.6÷24=0.15 0.8×1.1=0.88 7.2+12.8=20 46.7－3.8=42.9 12.8÷4=3.25.2÷13=0.4 12.5÷5=2.5 1.64÷41=0.04 10÷20=0.524÷15=1.68.65×10=86.50.35×0.6=0.213.08×0.01=0.03084.95×1000=4950 6.9×0.1=0.690.4×0.5=0.22.4÷0.8=310.8÷9=1.29.6÷0.8=120.108÷2=0.054 4.95÷0.9=5.59.65÷0.1=96.5 0.325×100=32.5 2.5×8=200.56÷0.7=0.80.125×4=0.53.28×0.1=0.328 3.9÷0.13=307.2×0.1=0.720.01×0.1=0.001 0.25×0.4=0.11.6÷0.8=21÷2.5=0.41.25×0.8=13.2÷0.04=800÷1.7=00.22×102=22.44 9.6÷0.8=125×0.24=1.24.5－0.05=4.45 3.9÷0.13=30 16.5÷0.5=335×0.12=0.624×0.5=124.8×0.5=2.4 2.8＋4.2=70.84÷2.1=0.45÷0.25=207.8÷0.01=780 5.4÷0.6=93.2÷5=0.647×0.62=4.340.56÷0.8=0.77.4－2.8=4.60.18÷0.2=0.90.16÷8=0.024.5×0.02=0.098＋7.2=15.21.2×30=360.012×0.2=0.00241.3×0.3=0.399÷6=1.53.6÷0.12=307.8÷0.6=132÷5=0.44.5＋5=9.50.3÷0.6=0.50.96÷0.2=4.8 10.5×0.4=4.27.3＋0.27=7.57 8×0.125=10.54 ÷ 0.6 = 0.9 0.61 + 0.39 = 1 0.56 ÷ 28 = 0.02 10 ÷ 20 = 0.54.08 ÷ 0.4 = 10.2 11 - 9.4 = 1.60.8 × 0.11 = 0.088 0.72 + 12.8 = 13.52 5.6 ÷ 0.01 = 560 2.3 × 100 = 230 0.75 × 100 = 75 0.108 ÷ 2 = 0.054 10.8 ÷ 9 = 1.20.7 ÷ 0.8 = 0.875 16 - 5.07 = 10.93 4.2 × 0.4 = 1.68 0.72 × 6 = 4.3212 ÷ 0.5 = 245.2 × 0.4 = 2.08 12.2 ÷ 0.2 = 615.6 ÷ 100 + 0.41 = 0.97 0.02 × 0.5 = 0.017.2 - 0.8 = 6.41.4 × 0.5 = 0.784 ÷ 0.21 = 4000.75 ÷ 0.25 = 37.2 ÷ 1.8 = 40.7 ÷ 0.35 = 20.72 ÷ 1.44 = 0.50.48 ÷ 0.04 = 121.25 ÷2.5 = 0.55.5 + 55 = 60.50.54 + 2.2 = 2.743.5 - 0.05 = 3.450.32 ÷ 0.8 = 0.412.25 ÷ 0.5 = 24.56 × 6 ÷ 6 × 6 = 146.5 + 52.5 = 994.5 - 1.3 = 3.23.4 - 2.8 = 0.69.53 - 1.53 = 88.8 - 6.7 = 2.110 + 0.08 = 10.08 7.2 + 12.8 = 20 2.5 × 16 = 400.108 ÷ 2 = 0.0541.75 + 32.5 = 34.25 16 - 5.07 = 10.93 5.2 ÷ 13 = 0.41.64 ÷ 41 = 0.04 1.02 × 0.2 = 0.204 0.26 × 0.3 = 0.078 8.4 × 0.02 = 0.168 1.29 × 6 = 7.74 0.8 × 0.05 = 0.04 12.6 ÷ 0.03 = 420 8.71 ÷ 0.1 = 87.1 21 ÷ 0.21 = 100 0.8 × 0.13 = 0.104 0.34 ÷ 17 = 0.028.08 ÷ 0.4 = 20.20.5 × 2.2 = 1.11.24 ÷ 4 = 0.31 3.27 + 0.63 = 3.9 5.02 × 0.3 = 1.506 0.3 × 0.5 = 0.15 6.4 ÷ 4 = 1.6 16.8 ÷ 8 =2.1 0.54 + 2.2 = 2.743.5 - 0.05 = 3.45 2 ÷ 0.02 = 1000.25 × 40 = 101.5 × 0.6 = 0.9 0.32 ÷ 0.8 = 0.4 12.25 ÷ 0.5 = 24.5 73.5 × 0.1 = 7.35 46.5 + 52.5 = 99 0.45 × 102 = 45.90.25 × 88 = 221.54 ÷ 2 = 0.778 × 1.25 = 105.6 ÷ 3.5 = 1.64.2 ÷ 0.7 ÷ 6 = 10.4 × 8.6 × 25 ÷ 0.27 ÷ 0.3 = 101.482.5 × 101 = 252.53.8 × 5 = 190.012 × 2 = 0.0245.5 + 55 = 60.516.8 ÷ 8 = 2.18 × 1.25 = 105.6 ÷ 3.5 = 1.64.2 ÷ 0.7 ÷ 6 = 10.45 × 102 = 45.90.52 = 0.523.2 - 3.2 ÷ 3.2 = 2.44.7 + 2.3 × 2 = 9.36.9 - 2.5 = 4.47.2 × 0 = 06 × 3.4 = 20.40.62 - 0.32 = 0.31.4 × 0.5 = 0.7 0.75 × 100 = 75 0.02 × 0.5 = 0.01 3.6 ÷ 0.3 = 12 6.3 ÷ 7 = 0.95.6 ÷ 100 = 0.056 0.75 ÷ 0.25 = 3 0.125 × 8 = 1 4.8 ÷ 0.3 = 16 0.96 ÷ 2 = 0.48 0.56 ÷ 28 = 0.02 46.7 - 3.8 = 42.9 12.8 ÷ 4 = 3.2 5.2 ÷ 13 = 0.4 12.5 ÷ 5 = 2.5 1.64 ÷ 41 = 0.04 10 ÷ 20 = 0.524 ÷ 15 = 1.6 0.3 + 0.27 = 0.57 0.47 + 0.13 = 0.63.08 × 0.01 = 0.03084.95 × 1000 = 4950 6.9 × 0.1 = 0.690.4 × 0.5 = 0.22.4 ÷ 0.8 = 310.8 ÷ 9 = 1.29.6 ÷ 0.8 = 120.108 ÷ 2 = 0.054 4.95 ÷ 0.9 = 5.59.65 ÷ 0.1 = 96.5 0.325 × 100 = 32.5 2.5 × 8 = 200.56 ÷ 0.7 = 0.80.125 × 4 = 0.53.28 × 0.1 = 0.328 3.9 ÷ 0.13 = 307.2 × 0.1 = 0.720.01 × 0.1 = 0.001 24 ÷ 15 = 1.68.65 × 10 = 86.50.35 × 0.6 = 0.21 3.08 × 0.01 = 0.0308 1.25 ÷ 2.5 = 0.55.5 + 55 = 60.5 16.8 ÷ 8 = 2.10.54 + 2.2 = 2.7484 ÷ 0.21 = 4000.75 ÷ 0.25 = 32.5 × 16 = 400.108 ÷ 2 = 0.0540.25 × 0.4 = 0.11.6 ÷ 0.8 = 21 ÷ 2.5 = 0.41.25 × 0.8 = 13.2 ÷ 0.04 = 800 ÷ 1.7 = 01 - 0.61 = 0.390.47 + 0.23 = 0.7 0.25 + 0.75 = 13.7 + 0.33 =4.030.51 + 0.33 = 0.84 16.5 ÷ 0.5 = 335 × 0.12 = 0.60.36 ÷ 0.4 = 0.9 0.64 ÷ 0.8 = 0.8 0.72 ÷ 3.6 = 0.2 3.6 ÷ 24 = 0.15 0.8 × 1.1 = 0.88 7.2 + 12.8 = 20 46.7 - 3.8 = 42.9 12.8 ÷ 4 = 3.25.2 ÷ 13 = 0.4 12.5 ÷ 5 = 2.51.64 ÷ 41 = 0.04 10 ÷ 20 = 0.54.95 × 1000 = 4950 6.9 × 0.1 = 0.69 0.4 × 0.5 = 0.22.4 ÷ 0.8 = 310.8 ÷ 9 = 1.29.6 ÷ 0.8 = 120.108 ÷ 2 = 0.054 4.95 ÷ 0.9 = 5.5 9.65 ÷ 0.1 = 96.5 0.325 × 100 = 32.5 2.5 × 8 = 200.56 ÷ 0.7 = 0.8 0.125 × 4 = 0.5 0.34 ÷ 17 = 0.02 8.08 ÷ 0.4 = 20.20.5 × 2.2 = 1.11.24 ÷ 4 = 0.31 3.27 + 0.63 = 3.9 5.02 × 0.3 = 1.506 0.3 × 0.5 = 0.156.4 ÷ 4 = 1.67.2 ÷ 1.8 = 40.7 ÷ 0.35 = 20.72 ÷ 1.44 = 0.5 0.48 ÷ 0.04 = 123.5 - 0.05 = 3.452 ÷ 0.02 = 1000.25 × 40 = 101.5 × 0.6 = 0.90.32 ÷ 0.8 = 0.412.25 ÷ 0.5 = 24.573.5 × 0.1 = 7.3546.5 + 52.5 = 990.45 × 102 = 45.90.25 × 88 = 221.54 ÷ 2 = 0.77无法剔除格式错误和明显有问题的段落，因为这篇文章只是一些数学运算题目。
小学五年级口算竞赛试题一
小学五年级数学速算比赛试题（一）姓名________ 分数________口算0.36÷0.4= 6.3÷7= 0.64÷0.8= 0.72÷3.6= 3.6÷24=0.8×1.1= 7.2+12.8= 46.7－3.8= 10÷20= 24÷15=12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 5.6÷100=8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= （1.2＋8.8）×0.4= 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= 0.325×100= 2.5×8= 0. 56÷0.7=0.125×4= 3.28×0.1= 3.9÷0.13= 0.25×0.4= 1.6÷0.8=1÷2.5= 1.25×0.8= 7.2×0.1= 0.01×0.1= 3.2÷0.04=0.22×102= 9÷0.25÷4= 0.25×3.97×4= 0÷0.125= 6.9×0.1=0.75÷0.25= 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4=0.7×9= 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4=5.2÷13= 1.64+4.1= 10÷20= 24÷15= 0.35×0.6=4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4=0.62－0.32= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3=1.2×500= 756÷7= 494-98= 0.25×48= 0.4÷0.08=875+12.5= 3÷0.125= 9.6÷32= 9.83-8.3= 3.6÷7.2=3.23－0.9= 5.25×4= 12-6.8-2.2= 5.2+0.37+4.8= (0.15+5)×4= 28.3-5.3+7.3= 0.25×32×1.25= 7-1.45+0.55= 15÷0.5×2= 5.82-(4.2-0.18)= 3.6÷0.5×2= 7.2÷0.2÷18= (200+4)×25= 18÷0.125÷8= 4.75×120÷475= 1.5×8+8×1.5= (0.25+12.5)×8= (8-1.25)×8= 1.8×9+3.2×9=3.52÷1＝37.2×99＋37.2= 708×28≈ 6.4÷4﹦ 1.5÷0.3﹦5392÷9≈ 1×0.4÷1×0.4= 1.8×5﹦7.2÷0.9﹦640×12≈8.4÷0.4﹦25×4÷0.25×4= 2.2×6﹦271÷31≈ 4.5÷0.9﹦294×3≈ 11.9÷5－1.9÷5﹦ 2.5×4﹦ 25×3.3×0﹦ 2.5×0.4=0.42÷7= 7.2×88＋12×7.2﹦0.3÷0.1﹦420÷58≈ 1.2÷0.04=240÷77≈ 1.25×3.3×8﹦789×4≈ 0.7+3= 1.2×0.8=6.3÷0.021= 0.9×7+10.7= 1.5÷0.03= 6.8-2.4÷3= 632÷91≈5×0.7= 0.6÷0.3+0.5= 0.43×5= 3.6÷0.9-4= 240÷37≈3.6-0.36= 1.8÷0.9×0.5= 8.1-2.2= 72×125= 6.8＋8.6=9.4×0.2= 6×0.125×8= 580-400= 43×0.01﹦ 3.72×0.2=二、脱式计算（每题2分，共40分）1280÷16÷8 27.3-7.3-2.7 9.8+26.5+20.2 3200÷4÷25= = = =17×23-23×7 2000÷125÷8 6.7+2.5+3.3+7.5 12.5×(8×14)= = = =99×3.8+3.8 2.5+7.5-2.5+7.5 48.7-18.7-13.9-6.1 2.5×(4+8)= = = =13.5+39+6.5+11 60+255+40 1250÷25÷5 800-138-162= = = =（85-63.7）×（13.8÷6）0.25×80-0.45÷9 762÷125÷0.4 8.6+7.8×34÷6.8= = = =五年级小数点口算题3.4－1.4= 7.82－7.2= 2.19＋9.1= 10.1－0.89= 0.68＋0.42= 8.1－5.1=0.728－0.24= 0.8＋0.18= 0.89－0.25=1－0.98= 0.048＋0.52= 5×400= 19.9+11.1= 187÷1000= 1+3.89=0.081×10= 75÷10= 0.96÷0.8=0.8×7＝ 1.5×7＝ 1.32×8＝0.7×8＝ 10.3×2＝ 5×0.6＝0.9×0.3＝ 3.5×0.2＝ 2.01×0＝10×0.05＝ 0.13×7＝ 0.21×100＝0.7×4＝ 0.05×4＝ 4×0.3＝12.5×8＝ 2.3×4＝ 3.25×0＝0.4×50＝ 30×0.1＝ 2.6×3＝4.1×2＝ 0.35×0.2＝ 7.5×0.1＝1－0.08＝ 3.5×0.01＝ 1.25÷0.25＝0×9.8＝ 3.9＋0.39＝ 4.8＋5.2＝0.5×0.4 ＝ 4÷0.25＝ 3÷4＝8.1÷9＝ 2.5×4＝ 6－0.025＝3.6＋6.3＝ 0.05×4＝ 3.5×0＝0÷3.5＝ 0.9×0.3＝ 1×0.06＝五年级数学口算练习9×0.5＝ 1.25×8＝ 2.6×3＝4.1×2＝ 0.35×0.2＝ 7.5×0.1＝0.9×0.3＝ 1×0.06＝ 9×0.5＝1.25×8＝ 0.2×0.4＝ 8.2＋1.8＝100－35.22＝2.5×0.4＝ 2.4×5＝0.22×4＝ 0.9－0.52＝ 3.99×1＝0×3.52＝ 2.5÷5＝ 8.4÷7＝0.34÷17＝ 2.5÷0.5＝ 8.4÷0.7＝0.34÷0.17＝ 30.4÷4＝ 1.2×6＝0.72÷0.6＝ 2.6÷1.3＝ 0.6×0.3＝0÷3.65＝ 7.82÷1 ＝ 0.001÷0.1＝1.4÷0.7＝ 3.6÷0.06＝ 5.6÷0.9＝5.6÷1.4＝ 0.48÷0.8＝ 4.4÷0.11＝4.2×3 ＝ 3.2×0.4＝ 0.3÷0.01＝4÷0.5＝ 5.1÷0.17＝ 0.28÷1.4＝0.9÷0.45＝ 9.6÷16＝ 1÷0.01 ＝0.01÷1＝ 7.5÷1.5＝ 0.81÷9＝3÷0.5＝ 10÷25＝ 4.8÷0.16＝0÷3.89＝ 3.52÷1＝ 37.2×99＋37.2= 6.4÷4﹦ 1.5÷0.3﹦ 1×0.4÷1×0.4= 4.2×3﹦ 1×0.01÷0.1= 1.25÷0.5=班级：姓名：五年级数学口算练习1.8×5﹦ 7.2÷0.9﹦ 25×4÷0.25×4=2.2×6﹦ 8.4÷0.4﹦ 9÷5－1.9÷5﹦4.5÷0.9﹦ 2.5×4﹦ 25×3.3×0﹦2.5×4﹦ 0.3÷0.1﹦ 37.2×99＋37.2﹦4.5×2= 7.8+0.22= 2－0.64－0.36﹦3.4×0.4= 12.6－0.9= 2－1.64－0.36﹦1.2÷0.04= 0.42÷7= 1.25×3.3×0﹦0.9＋2.01= 2.97÷100= 20－3.7－7.3=6.3+7= 2.19＋9.1= 5×0.75÷1.5×0.75= 0.65×0.2= 9.8-0.98= 1-0.1×0.1=0.7+3= 1.2×0.8= 0.9×7+10.7=6.3÷0.021= 1.5÷0.03= 6.8-2.4÷3=5×0.7= 0.43×5= 3.6÷0.9-4=3.6-0.36= 8.1-2.2= 0.6÷0.3+0.5=6.8＋8.6= 9.4×0.2= 1.8÷0.9×0.5=2－1.08= 8.8÷0.4= (1.6+0.5)÷5=43×0.01﹦ 3.72×0.2= 0.7×8-0.6=99＋0.1﹦ 3.2-2= 6×0.125×8=1.9×4﹦ 8.8÷0.11= 4×1.2×0.25=0.125×8﹦ 1.8×40= 2.5-3.6÷1.8=2.3÷0.1﹦3.72÷4= 13-0.5-4=1.1×0.7= 1.9+5.1÷51= 3.2×50=2.32-0.4=3.2×0.5= 8×5.1= 12-0.05×4= 16-4.5-5.5= 1.8÷0.3＝一、口算0.027×100= 8.8+0.12= 0.36×5= 0.75－0.5= 1.2+8= 9.5÷0.95=2.4-2.4÷1.2= 0.73+0.27×10= 0.15÷0.3= 1.6＋3.04= 2.8÷0.7= 5.7÷0.3=三、能简便的要简便计算（23×2）45.55－（6.82＋15.55） 34.52－17.87－12.23 4.57+3.17+3.43+5.838.54－5.99 27.38－5.34＋2.62－4.66 21.63＋（18.5－9.63）70÷28 2.31×1.2×0.5 12.78-(4.97-2.78) 63.4÷2.5÷0.499×4.3 8.23＋6.5-8.23＋6.5 3.12＋3.12×99 1.63＋2.37÷0.32.7÷45 2.4×10.2 23.9-0.6×0.6-0.64 2.4×1.87-2.4×0.8715.32×4＋4.68÷0.25 1.26÷(1.26×0.4) 28.6×101－28.699×3.8+3.8 2.5+7.5-2.5+7.5 48.7-18.7-13.9-6.1 2.5×(4+8)= = = =13.5+39+6.5+11 60+255+40 1250÷25÷5 800-138-162 = = = =（85-63.7）×（13.8÷6）0.25×80-0.45÷9 762÷125÷0.4 8.6+7.8×34÷6.8 = = = =五年级上册数学竞赛试卷（1）一、计算，写出主要简算过程（每题4分，共16分）1．567×789789-789×5675672．7.2×14.3÷0.9÷1.33．0.64×125×2.54．如果2△3=2+3+4=9，5△4=5+6+7+8=26，那么，按此规则计算7△5=？二、填空题（每题6分，共30分）1．一种水草长得很快，每天增加一倍。