2.05/0.82+33.6=205/82+33.6=5/2+33.6=2.5+33.6=36.1
2.05=5*0.41 0.82=2*0.41
原式=5/2+33.6=2.5+33.6=36.1
不知道你说的简便是什么意思,这样算简便吗
2.05÷0.82+33.6
=(0.41+2x0.82)÷0.82+33.6
=0.5+2+33.6
=36.1
结果为36.1
整理下问题, 2.05/0.82+33.6
解题思路如下
2.05*4 / 0.82*4 + 33.6
8.2/0.82/4 + 33.6
10/4 + 33.6
2.5+33.6
36.1