5x2
x>1
8x>13x-5
5x10
x>5
3x>4x-1
x
5x小于7x-2,8x大于13x-5 20x-19大于18x-9,3x大于4x-1
5x小于7x-2,8x大于13x-5 20x-19大于18x-9,3x大于4x-1
數(shù)學(xué)人氣:370 ℃時(shí)間:2020-05-14 06:39:24
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