
这个方程组怎么解?要详细过程
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-1≤ x+ 1/2 ≤ 1
-3/2 ≤ x ≤ 1/2 (1) and
-1≤ 1+2x ≤ 1
-2≤ 2x ≤ 0
-1≤ x ≤ 0 (2) and
x+ 1/2 < 1+2x
x> -1/2 (3)
(1) and (2) and (3)
"-3/2 ≤ x ≤ 1/2" and "-1≤ x ≤ 0" and x>-1/2
"-1≤x ≤ 0 " and x>-1/2
-1/2 < x ≤ 0
-3/2 ≤ x ≤ 1/2 (1) and
-1≤ 1+2x ≤ 1
-2≤ 2x ≤ 0
-1≤ x ≤ 0 (2) and
x+ 1/2 < 1+2x
x> -1/2 (3)
(1) and (2) and (3)
"-3/2 ≤ x ≤ 1/2" and "-1≤ x ≤ 0" and x>-1/2
"-1≤x ≤ 0 " and x>-1/2
-1/2 < x ≤ 0
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可以画一个数轴吗
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自己画吧
(1) and (2) and (3)
"-3/2 ≤ x ≤ 1/2" and "-1≤ x ≤ 0" and x>-1/2
("-3/2 ≤ x ≤ 1/2" and "-1≤ x ≤ 0") and x>-1/2
"-1≤x ≤ 0 " and x>-1/2
-1/2 < x ≤ 0
=画一个数轴
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