5/4x-12.6=40%x
1.25x-0.4x=12.6
0.85x=12.6
x=12.6÷0.85
方程5/4x-12.6=40%x 怎么解?
方程5/4x-12.6=40%x 怎么解?
數(shù)學人氣:625 ℃時間:2020-03-30 19:12:54
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