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解方程:75-0.8x=2乘5.13
人气:440 ℃ 时间:2020-03-30 15:01:54
解答
75 - 0.8 x = 2 × 5.13
75 - 0.8 x = 10.26
- 0.8 x = 10.26 - 75
- 0.8 x = - 64.74
x = - 80.925
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