2x²-1/2=0怎么算

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2x²-1/2=0怎么算2x²-1/2=0怎么算2x²-1/2=0怎么算2x²-1/2=02x²=1/2x²=1/4x=±1/2x1=1/2

2x²-1/2=0怎么算
2x²-1/2=0怎么算

2x²-1/2=0怎么算
2x²-1/2=0
2x²=1/2
x²=1/4
x=±1/2
x1=1/2 x2=-1/2

2x²=1/2
x²=1/4
x=1/2或-1/2
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