精选问答
帮我出几道五年级简便运算题。

2020-05-31

帮我出几道五年级简便运算题。
优质解答
0.125×32×0.25
=0.125×8×4×0.25
=(0.125×8)×(4×0.25)
=1×1
=1
64.3×10.1
=64.3×(10+0.1)
=64.3×10+64.3×0.1
=643+6.43
=649.43
0.125×32×0.25
=0.125×8×4×0.25
=(0.125×8)×(4×0.25)
=1×1
=1
64.3×10.1
=64.3×(10+0.1)
=64.3×10+64.3×0.1
=643+6.43
=649.43
相关问答