2/3x+40%x=4/3解方程?
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解:解方程, 此方程的解为x = 5/4,【即x = 1.25】
(2/3)x + 百分之40x = 4/3
(2/3)x + (40/100)x = 4/3
(2/3)x + (2/5)x = 4/3
(10/15)x + (6/15)x = 4/3
(16/15)x = 4/3
x = 4/3 ÷ 16/15
x = 4/3 × 15/16
x = 5/4
∴x = 1.25
答:此方程的解为x = 5/4,【即x = 1.25】
(2/3)x + 百分之40x = 4/3
(2/3)x + (40/100)x = 4/3
(2/3)x + (2/5)x = 4/3
(10/15)x + (6/15)x = 4/3
(16/15)x = 4/3
x = 4/3 ÷ 16/15
x = 4/3 × 15/16
x = 5/4
∴x = 1.25
答:此方程的解为x = 5/4,【即x = 1.25】
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