方程、不等式(1)(x+2)³+27=0(2)不等式:3(x+1)<1+2x-3(x-2)≥4-x
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方程、不等式(1)(x+2)³+27=0(2)不等式:3(x+1)<1+2x-3(x-2)≥4-x
方程、不等式
(1)(x+2)³+27=0
(2)不等式:3(x+1)<1+2x
-3(x-2)≥4-x
方程、不等式(1)(x+2)³+27=0(2)不等式:3(x+1)<1+2x-3(x-2)≥4-x
(1)(x+2)³+27=0
(x+2)³=-27
x+2=-3
x=-5
(2)不等式:
3(x+1)<1+2x
3x+3