
8.5-5x=2.6
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解:解方程, 此方程的解为x = 59/50,【即x = 1.18】
8.5 - 5x = 2.6
(8×10+5)/10 - 5x = (2×10+6)/10
85/10 - 5x = 26/10
5x = 85/10 - 26/10
5x = 59/10
x = 59/10 ÷ 5
x = 59/10 × 1/5
x = 59/50
∴x = 1.18
答:此方程的解为x = 59/50,【即x = 1.18】
8.5 - 5x = 2.6
(8×10+5)/10 - 5x = (2×10+6)/10
85/10 - 5x = 26/10
5x = 85/10 - 26/10
5x = 59/10
x = 59/10 ÷ 5
x = 59/10 × 1/5
x = 59/50
∴x = 1.18
答:此方程的解为x = 59/50,【即x = 1.18】
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