3/5x-1/6=2/3 2x+0.8=4 0.4x(x-1.2)=1.2 10/9x-1/3x=21 3/4x-1/2
2022-05-27 22:19:01 34次 反馈错误 加入收藏 正确率 : 100%
题目内容:
3/5x-1/6=2/3 2x+0.8=4 0.4x(x-1.2)=1.2 10/9x-1/3x=21 3/4x-1/2=1/4 5(x-2.8)=140 x-3/7x=8/21
3/5x-1/6=2/3
2x+0.8=4
0.4x(x-1.2)=1.2
10/9x-1/3x=21
3/4x-1/2=1/4
5(x-2.8)=140
x-3/7x=8/21
方程和计算
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