24-X+4=(1-1/4)X 怎么解
人气:146 ℃ 时间:2020-04-09 18:30:10
解答
24-X+4=(1-1/4)X 24+4-X=3/4X 28-X=3/4X X+3/4X=28 7/4X=28 X=28÷1.75 X=16 (希望能帮到你!
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