60%+60×25x＝75
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解：解方程, 此方程的解为x = 31/625，【即x = 0.0496】
百分之60 + 60 × 25x = 75
60/100 + 1500x = 75
3/5 + 1500x = 75
1500x = 75 - 3/5
1500x = 375/5 - 3/5
1500x = 372/5
x = 372/5 ÷ 1500
x = 372/5 × 1/1500
x = 31/625
∴x = 0.0496
答：此方程的解为x = 31/625，【即x = 0.0496】
百分之60 + 60 × 25x = 75
60/100 + 1500x = 75
3/5 + 1500x = 75
1500x = 75 - 3/5
1500x = 375/5 - 3/5
1500x = 372/5
x = 372/5 ÷ 1500
x = 372/5 × 1/1500
x = 31/625
∴x = 0.0496
答：此方程的解为x = 31/625，【即x = 0.0496】
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