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x-3/4[x-1/4(x-3/7)]=3/16(x-3/7)
人气:208 ℃ 时间:2020-05-01 11:38:42
解答
x-3/4[x-1/4(x-3/7)]=3/16(x-3/7)
x-3/4x+3/16x-9/112=3/16x-9/112
1/4x=0
x=0
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