2.5-(17/20+0.15)÷0.6 (可以简算要简算要过程
问题描述:
2.5-(17/20+0.15)÷0.6 (可以简算要简算要过程
答
=2.5-(85+15)/100÷0.6=5/2-1*10/6=15/6-10/6=5/6=0.83
2.5-(17/20+0.15)÷0.6 (可以简算要简算要过程
=2.5-(85+15)/100÷0.6=5/2-1*10/6=15/6-10/6=5/6=0.83