好吧问答库 > 0.7:1⼀4等于0.28x解比例？

0.7:1⼀4等于0.28x解比例？

2025年04月08日 06:02
有1个网友回答
网友（1）：

解：解方程, 此方程的解为x = 1/10，【即x = 0.1】
∵X ： Y = X ÷ Y = Z
∴0.7：1/4 = 0.28 : x
0.7 ÷ 1/4 = 0.28 ÷ x
7/10 × 4 = 28/100 ÷ x
14/5 = 7/25 ÷ x
x = 7/25 ÷ 14/5
x = 7/25× 5/14
x = 1/10
∴x = 0.1
答：此方程的解为x = 1/10，【即x = 0.1】

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