来自史晓新的问题
解方程7x-3.4x=0.72;3(x+2.1)=10.5;3x+3×6.5=31.2.
解方程
7x-3.4x=0.72;
3(x+2.1)=10.5;
3x+3×6.5=31.2.
1回答
2020-11-30 06:29
解方程7x-3.4x=0.72;3(x+2.1)=10.5;3x+3×6.5=31.2.
解方程
7x-3.4x=0.72;
3(x+2.1)=10.5;
3x+3×6.5=31.2.
(1)7x-3.4x=0.72 3.6x=0.72 3.6x÷3.6=0.72÷3.6 &nb...