X一0.32X=0.204?
3个回答
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解:解方程, 此方程的解为x = 3/10,【即x = 0.3】
x - 0.32x = 0.204
x - (32/100)x = 204/1000
x - (8/25)x = 51/250
(25/25)x - (8/25)x = 51/250
(17/25)x = 51/250
x = 51/250 ÷ 17/25
x = 51/250 × 25/17
x = 3/10
∴x = 0.3
答:此方程的解为x = 3/10,【即x = 0.3】
x - 0.32x = 0.204
x - (32/100)x = 204/1000
x - (8/25)x = 51/250
(25/25)x - (8/25)x = 51/250
(17/25)x = 51/250
x = 51/250 ÷ 17/25
x = 51/250 × 25/17
x = 3/10
∴x = 0.3
答:此方程的解为x = 3/10,【即x = 0.3】
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