求x的值(1)2x²=200,(2)3x²-60=0,(3)x³=125,(4)(x+1)³=64 (5)4分之1(2x+3)³=250
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求x的值(1)2x²=200,(2)3x²-60=0,(3)x³=125,(4)(x+1)³=64 (5)4分之1(2x+3)³=250
求x的值
(1)2x²=200,(2)3x²-60=0,(3)x³=125,(4)(x+1)³=64 (5)4分之1(2x+3)³=250
求x的值(1)2x²=200,(2)3x²-60=0,(3)x³=125,(4)(x+1)³=64 (5)4分之1(2x+3)³=250
x=±10
x=±2√5
x=5
x=3
x=3.5
(1)x²=100
x=±10
(2)3x²=60
x²=20
x=±2√5
(3)x=√125
x=5
(4)x+1=4
x=3
(5)(2x+3)³=1000
2x+3=10
2x=7
x=3.5