简便运算,0.32*6.7+3.2*0.43-0.32
问题描述:
简便运算,0.32*6.7+3.2*0.43-0.32
答
0.32*6.7+3.2*0.43-0.32
= 0.32*6.7+0.32*4.3-0.32
= 0.32*(6.7+4.3-1)
= 0.32*10
= 3.2