专题文章
时长:00:00更新时间:2024-12-13 12:53:09
解:X = (21 × 派行知6) ÷ 14。2.X ∶ 4/5 = 5/12 ∶ 10。解:X = (5/12 × 4/5) ÷ 10。3.26 ∶ X = 1 ∶ 2。解:X = 26 ÷ 1 × 2。4.2 ∶ 120 = 1 ∶ X。解:X = 120 ÷ 2。5.5 ∶ X = 10 ∶ 15。解:X = (5 × 15) ÷ 10。6.7.5/1.5 = X ∶ 3。解:X = (7.5 × 3) ÷ 1.5。7.1/6 ∶ 1/3 = 1/5 ∶ X。解:X = (1/6 × 1/3) ÷ 1/5。8.X ∶ 24 = 3 ∶ 8。解:X = (3 × 24) ÷ 8。9.1/2 ∶ 1/3 = X ∶ 1/2。10.12 ∶ X = 18 ∶ 6。
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