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简介:
2025秋五年级上册数学小数简便计算练习
0.11×1.8+8.2×0.11
=0.11×(1.8+8.2)
=0.11×10
=1.1
2.34×99+2.34
=2.34×(99+1)
=2.34×100
=234
132×101
=132×(100+1)
=132×100+132
=13332
6.25÷1.25÷0.8
=6.25÷(1.25×0.8)
=6.25÷1
=6.25
2.5×16
=(2.5×4)×4
=10×4
=40
6.33×101﹣6.33
=6.33×(101﹣1)
=6.33×100
=633
1.56×1.7+0.44×1.7
=1.7×(1.56+0.44)
=1.7×2
=3.4
0.125×32×2.5
=(0.125×8)×(4×2.5)
=1×10
=10
1.258×18.5﹣0.258×18.5
=18.5×(1.258﹣0.258)
=18.5×1
=18.5
1.25×2.4
=1.25×8×0.3
=10×0.3
=3