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8.94%5x=3.54解方程过程并检验数学

原式转化为: 5x=8.94-3.54 x=1.08 检验:将x=1.08代入方程得 8.94-5*1.08=8.94-5.4=3.54

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4/5x=9/20×8/15 4/5x=6/25 x=6/25÷4/5 x=6/25×5/4 解得,x=3/10 x÷3/10=13/16÷39/40 x÷3/10=5/6 x=5/6×3/10 解得,x=1/4

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