五年级上学期计算练习(小数乘除法,简便运算)
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五年级上册
计算练习(竖式练习)
注意:列竖式计算时①小数乘法,一定要数清两个因数共有的小数位数,再确定积的小数位数,然后再去掉里面的0
②小数除法里,必须将除数化成整数后再根据法则计算,商的小数点和转化后的被除数小数点对齐
一、把下列各式转化成除数是整数的除法。
0.38.37 3.819 0.2132.34 0.120.9666
0.469.384 0.16 1.36 0.07 4.8 1.8756
二、列竖式计算下列各题
(1)9÷36 (2)7.218÷36 (3)5.93×0.76(保留三位小数)
(4)7.2÷5 (5)16.32÷51 (6)25÷0.38 (保留到百分位)
(7)4÷1.2 (8) 0.56 ÷1.4 (9)30÷74 (商用循环小数表示)(10)96÷15 (11)2.7+3.13 (12)1.7÷11 (商用循环小数表示)(13)40.4÷8 (14)4.7×0.23 (15)141.2-48.98(验算)
(16)13÷2.4 (17)58.89÷13 (18)0.448÷0.28(验算)
(19)4.4÷50 (20)7.2 ×6.25 (21)8.9×0.36
(22)3.25×8 (23)7.2÷0.48 (24)78.92+115.8
(25)3-2.08 (26)32÷0.016 (27)40.5÷18(验算)
(28)28×2.05 (29)179.2÷64 (30)0.945÷0.035
(31)18-5.29 (32)7.45÷3.8 (33)1.21×18(验算)
(34)9.6÷1.6 (35)2.1÷0.25 (36)5.85÷0.015
(37)5.06×13 (38)3.52÷5.5 (39)0.957÷4.65
(40)75.6÷18 (41)50.34÷14 (42)0.832÷0.26
(43)0.73+12 (44)0.43÷8.6 (45)3.85×0.014
(46)96÷0.64 (47)8.68÷6.2 (48)3.952÷0.76
(49)50÷0.25 (50)0.465÷15 (51)9.72÷0.027
(52)50.4÷48 (53)4.95÷3.3 (54)18.27÷2.1
(55)3.54×13 (56)0.69×8.4 (57)97.2÷0.18
(58)64.8÷24 (59)6.5×0.48 (60)7.4+12.86
(61)64.8÷19 (62)179.2÷64 (63)5.84÷0.16
(64)40÷0.32 (65)90-16.75 (66)7.04÷4.07
(67)3.52÷55 (68)20-5.674 (69)1.872÷2.4
(70)179.2÷64 (71)2.03×4.7 (72)0.36×0.24
(73)3.56+7.5 (74)1.9×2.08 (75)15.3-60.9
(76)4.32÷3.6 (77)6.48÷0.8 (78)5.4÷0.036
(79)2.4×1.02 (80)0.26÷4.5 (81)4.75÷0.05
(82)8.32×2.5 (83)3.27×0.64 (84)0.282÷4.7
(85) 32.9÷9.4 (86)31.28×1.6 (87)8.62÷0.43
(88) 9.8×0.85 (89)67.2÷0.42 (90)3.06×12
计算练习(简便计算)
(1)70÷28 (2)2.31×1.2×0.5 (3)12.78-(4.97+2.78)
(4)99×4.3 (5) 63.4÷2.5÷0.4 (6) 8.23+6.5-8.23+6.5
(7)2.7÷45 (8) 3.12+3.12×99 (9) 34.82-(4.82+15.2)
(10)8.9×9.9 (11)1.25×32×12.5 (12)17.85-(2.96+5.85)(13)6.3÷1.4 (14)2.5×3.2×12.5 (15)4.61+5.8+4.2+6.39
(16)1.25×88 (17)382÷12.5÷0.8 (18)4.6×0.35+4.6×0.65 (19)0.85×99 (20)132-43.7-56.3 (21)0.95×8.6-7.6×0.95 (22)13÷12.5 (23)0.8+0.88+0.22 (24)2.4×1.87-2.4×0.87 (25)2.4×102 (26)1.63+2.37÷0.3 (27)23.9-0.6×0.6-0.64 (28)4.5÷1.8 (29)9.43×101-9.43 (30)4.8+8.63+5.2+0.37
(31)4.2÷3.5 (32)10.9-3.74+0.9 (33)1.29+3.7+2.71+6.3
(34) 4.9÷1.4 (35)15.17-6.8-3.2 (36) 23.4-0.8-13.4-7.2
(37) 2.5×2.4 (38)15.17-6.8-3.2 (39) 3.2+0.36+4.8+1.64
(40) 15÷0.25 (41)3.1+25.78+6.9 (42) 1.23+3.4-0.23+6.6
(43) 4.8÷9.9 (44)2.95×101-2.95 (45) 1.28×8.6+0.72×8.6 (46)0.25×36 (47)0.25×(0.4+40)(48)9.16×1.5-0.5×9.16 (49)7.2÷2.7 (50)(1.25+0.25)×4 (51)32.4×0.9+0.1×32.4 (52)5.6÷3.5 (53)9.73÷12.5÷0.8 (54)0.125×0.25×0.5×64 (55)9.4×9.9 (56)888×16+222×36 (57) 15.32×4+4.68÷0.25
(58) 6.3÷2.8 (59)6.02+3.6+1.98 (60)4.25÷2.5×9.9+0.17
(61)6.1×0.98 (62)12.5×0.96×0.8 (63)6.09×3.6+3.6×3.91
(64)1.25×3.2 (65)10.4-9.6×0.35 (66)42×43.43-43×42.42
(67)3.2×10.1 (68)15÷(0.15×0.4) (69)34.52-17.87-12.23
(70)0.52×105 (71)28.6×101-28.6 (72)26.7-0.5×0.5-0.75
(73)0.32×403 (74)7.67-2.57-2.43 (75)1.34+1.8+3.66+0.2
(76)0.85×199 (77)0.8×65.18×1.25 (78)19.2-5.45-9.2-2.55
(79)930÷0.6÷5 (80)5.86-0.72+0.38 (81)1.27+3.9+0.73+16.1
(82)17.2×10.1 (83)63×10.1-63×0.1 (84)3.14×1.9+31.4×0.81
(85)84÷0.42÷2 (86)(12.6+4.8)÷0.6 (87)0. 8×[(5-0.68)÷1.2]
(88)5.62×1.01 (89)6.8+1.25×6.8×8 (90)45.55-(6.82-15.45)
(91)930÷5÷0.6 (92)4.32+5.43+6.68 (93)73.8-1.64-13.8-5.36
(94)13.86-2.99 (95)5.93+0.19+2.81 (96)22.8×4.91+5.09×22.8
(97)2.5×(13×4) (98)3.07-0.38-1.62 (99)5.4×0.68+3.4×2×0.46
(100)28.9×4÷289 (101)0.8×(4.3×1.25) (102)3.25+1.79-0.59+1.75
(103)0.25×8.5×4 (104)(2.5-0.25) ×0.4 (105)0.86×15.7-0.86×14.7 (106)4.2×99+4.2 (107)0.125×0.5×8×4 (108)27.8×5.64+72.2×5.64 (109)4×4.16×2.5 (110)(7.7+1.54)÷0.7 (111)(13.6-4.17)÷2.5÷0.4 (112)25-4.7+5.3 (113)7.3÷4+2.7×0.25 (114)0.666×0.7+0.222×0.9 (115)9.4+0.3-6.4 (116)0.29×46+0.29×54 (117)0.96-0.28+0.04-0.72 (118)2.4-2.4×0.5 (119)3.1+(25.78+6.9) (120)3.25+1.83+0.75+2.17 (121)6.82÷4÷0.25 (122)7.5×2.1+78×0.79 (123)9.4÷[(1.2+1.3) ÷0.25] (124)13.8÷0.25÷4 (125)6.75-(0.9+3.75) (126)0.83+0.69+0.17+10.31 (127)63÷0.35÷0.4 (128)18.75+9.24-8.75 (129)12.83+2.25+1.75+6.17 (130)7.5+4.9-6.5 (131)16.79-2.87+2.13 (132)15.25+4.72-4.75+5.28 (133)8-2.45-1.55 (134)1.26÷(1.26×0.8) (135)2.64+8.67+7.36+11.33 (136)3.6-3.6×0.5 (137)1.76+0.195+3.24 (138)27.38-5.34+2.62-4.66 (139)3.9÷(1.3×5) (140)1.57+0.245+7.43 (141)35.7-4.9-(5.72+5.1) (142)0.25×0.73×4 (143)12.7-(3.7+0.84) (144)4.58+2.39+(5.42+7.61)