4.68-2x=2.34怎么写?
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解:解方程, 此方程的解为x = 117/100,【即x = 1.17】
4.68 - 2x = 2.34
(4×100+68)/100 - 2x = (2×100+34)/100
468/100 - 2x = 234/100
2x = 468/100 - 234/100
2x = 234/100
2x = 117/50
x = 117/50 ÷ 2
x = 117/50 × 1/2
x = 117/100
∴x = 1.17
答:此方程的解为x = 117/100,【即x = 1.17】
4.68 - 2x = 2.34
(4×100+68)/100 - 2x = (2×100+34)/100
468/100 - 2x = 234/100
2x = 468/100 - 234/100
2x = 234/100
2x = 117/50
x = 117/50 ÷ 2
x = 117/50 × 1/2
x = 117/100
∴x = 1.17
答:此方程的解为x = 117/100,【即x = 1.17】
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