7.4乘3.8+26乘0.38和0.96乘2.4+4.8乘0.02怎样简算

问题描述:

7.4乘3.8+26乘0.38和0.96乘2.4+4.8乘0.02怎样简算

13057547570 ,
7.4×3.8+26×0.38
=7.4×3.8+2.6×3.8
=(7.4+2.6)×3.8
=10×3.8
=38
0.96×2.4+4.8×0.02
=0.96×2.4+2.4×0.04
=2.4×(0.96+0.04)
=2.4×1
=2.4