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[3/4(180一ⅹ)Ⅹ25]:30x=5/9怎么解
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咨询记录 · 回答于2023-05-17
[3/4(180一ⅹ)Ⅹ25]:30x=5/9怎么解
[3/4(180一ⅹ)Ⅹ25]:30x=5/975/4(180一ⅹ):30x=5/9(3375-75/4ⅹ):30x=5/9150x=9(3375-75/4ⅹ)150x=30375-168.75ⅹ150x+168.75x=30375318.75x=30375x=30375÷318.75x=95.29