题目内容
解方程.
| 8x-75%x=72.5 | (2-65%)x=0.27. |
8x-75%x=72.5
(8-75%)x=72.5
7.25x=72.5
x=10;
(2-65%)x=0.27
(2-0.65)x=0.27
1.35x=0.27
x=0.2.
(8-75%)x=72.5
7.25x=72.5
x=10;
(2-65%)x=0.27
(2-0.65)x=0.27
1.35x=0.27
x=0.2.
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