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3/4X+1/2×3/4=1
X-35%=390
3X+300%X=25.2
3/4X+1/2×3/4=1
人气:324 ℃ 时间:2020-03-28 11:58:13
解答
1、 3/4X+1/2×3/4=1 2、x-35%=3903/4x+3/8=1 x=390+0.353/4x=5/8 x=390.35x=5/63、3X+300%X=25.2 4、3/4X+1/2×3/4=1(3+3)x=25.2 3/4x+3/8=16x=25.2 3/4x=5/8 x=4.2 x=5/6
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