内容正文:
(寒假复习专项突破)脱式计算练习50道(含答案)
五年级数学上册人教版
一、小数乘法计算提升练习
1、脱式计算。
(1)1.6×10.5×0.3 (2)2.25×1.8×32
(3)16.02×4×8.2 (4)19.3×8.6×0.5
(5)7.6×80×0.12 (6)58×3.2×2.5
(7)100.5×2.8×1.28 (8)6.12×10×13
(9)27.5×2.6×4.2 (10)22.8×3.5×20
2、递等式计算。
(1)18×(1.5×4.8) (2)45.3×(12.1×0.6)
(3)100×(0.4×2.2) (4)29.3×(20.4×0.25)
(5)8.5×(3×2.2) (6)15.9×3.8×0.2×2.5
(7)20.7×2.3×1.4×30 (8)7.2×(2.01×10.5)
(9)200.3×(30.5×0.4) (10)12.5×50.8×1.5×2
二、小数除法计算提升练习
1、脱式计算。
(1)68÷0.8÷2.5 (2)19.88÷3.5÷0.4
(3)24.48÷3÷1.6 (4)333.66÷4÷8.3
(5)19.152÷1.8÷1.9 (6)44.8÷40÷2.5
(7)63.05÷6.5÷0.4 (8)18.18÷0.3÷6
(9)36.6÷1.2÷5 (10)588.9÷15÷1.3
2、递等式计算。
(1)97.2÷(10.8÷0.4) (2)0.57÷(7.8÷26)
(3)23.868÷(30.6÷5) (4)283.5÷(54÷1.2)
(5)14.75÷(11.8÷1.6) (6)486.72÷(40.56÷2.5)
(7)55.2÷(13.8÷0.6) (8)22.1÷(10.4÷8)
(9)19.78÷(60.2÷28) (10)445.5÷(8.91÷3.3)
三、小数乘除法混合运算提升练习
1、小数乘除法混合运算。
(1)13.78÷5.3×60 (2)20.9×5÷0.8
(3)21.16÷0.4×7.5 (4)14.5×2.2÷0.319
(5)735.42÷(20.6×10.2) (6)6.6×(99.9÷0.9)
(7)840÷(12×2.8) (8)17.2×(50.5÷10.1)
(9)23.9×5.5÷11 (10)0÷0.18×70.9
一、小数乘法计算提升练习
1、脱式计算。
(1)1.6×10.5×0.3
=16.8×0.3
=5.04
(2)2.25×1.8×32
=4.05×32
=129.6
(3)16.02×4×8.2
=64.08×8.2
=525.456
(4)19.3×8.6×0.5
=165.98×0.5
=82.99
(5)7.6×80×0.12
=608×0.12
=72.96
(6)58×3.2×2.5
=185.6×2.5
=464
(7)100.5×2.8×1.28
=281.4×1.28
=360.192
(8)6.12×10×13
=61.2×13
=795.6
(9)27.5×2.6×4.2
=71.5×4.2
=300.3
(10)22.8×3.5×20
=79.8×20
=1596
2、递等式计算。
(1)18×(1.5×4.8)
=18×7.2
=129.6
(2)45.3×(12.1×0.6)
=45.3×7.26
=328.878
(3)100×(0.4×2.2)
=100×0.88
=88
(4)29.3×(20.4×0.25)
=29.3×5.1
=149.43
(5)8.5×(3×2.2)
=8.5×6.6
=56.1
(6)15.9×3.8×0.2×2.5
=60.42×0.2×2.5
=12.084×2.5
=30.21
(7)20.7×2.3×1.4×30
=47.61×1.4×30
=66.654×30
=1999.62
(8)7.2×(2.01×10.5)
=7.2×21.105
=151.956
(9)200.3×(30.5×0.4)
=200.3×12.2
=2443.66
(10)12.5×50.8×1.5×2
=635×1.5×2
=952.5×2
=1905
二、小数除法计算提升练习
1、脱式计算。
(1)68÷0.8÷2.5