3.84*0.84+0.616*8.4如何简便运算急用_百度知道

问题描述:

3.84*0.84+0.616*8.4如何简便运算急用_百度知道

3.84*0.84+0.616*8.4
=3.84*0.84+6.16*0.84
=0.84*(3.84+6.16)
=0.84*10
=8.4