变式题：把3.6+3.2+3.6+4+3.6改写成乘法算式.
问题描述：
变式题：把3.6+3.2+3.6+4+3.6改写成乘法算式.
答
3.6×（1+3.2+10/9+1）
答
因为4=3.6+0.4,3.2=3.6-0.4，所以4+3.2=2×6.3，所以原式=3.6+2×3.6+3.6+3.6=5×3.6
答
3.6+3.2+3.6+4+3.6
=3x3.6+3.2+4
=3x3.6+2x3.6
=5x3.6
=18