5x+2>3(x-1)
5x+2>3x-3
2x>-5
∴x>-5/2
1/2X-1≤7-3/2X
1/2x+3/2x
当x取那些正整数时,不等式5x+2>3(x-1)与1/2X-1≤7-3/2X都成立
当x取那些正整数时,不等式5x+2>3(x-1)与1/2X-1≤7-3/2X都成立
数学人气：578 ℃时间：2020-01-28 01:25:01
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