3.2乘以5.7加68乘以0.57的简便运算

3.2乘以5.7加68乘以0.57的简便运算
2025-05-20 18:57:39
推荐回答(1个)
回答1:

3.2乘以5.7加68乘以0.57

=32×0.57+68×0.57
=(32+68)×0.57
=100×0.57
=57