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3分之2:5分之1=4分之3:X什么解比例?
2个回答
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解:解比例, 此方程的解为x = 9/40,【即x = 0.225】
3分之2:5分之1=4分之3:X
2/3 : 1/5 = 3/4 : x
2/3 ÷ 1/5 = 3/4 ÷ x
2/3 × 5 = 3/4 ÷ x
10/3 = 3/4 ÷ x
x = 3/4 ÷ 10/3
x = 3/4 × 3/10
x = 9/40
∴x = 0.225
答:此方程的解为x = 9/40,【即x = 0.225】
3分之2:5分之1=4分之3:X
2/3 : 1/5 = 3/4 : x
2/3 ÷ 1/5 = 3/4 ÷ x
2/3 × 5 = 3/4 ÷ x
10/3 = 3/4 ÷ x
x = 3/4 ÷ 10/3
x = 3/4 × 3/10
x = 9/40
∴x = 0.225
答:此方程的解为x = 9/40,【即x = 0.225】
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