已知x满足2^2x+3-2^2x+1=48,求x
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已知x满足2^2x+3-2^2x+1=48,求x已知x满足2^2x+3-2^2x+1=48,求x已知x满足2^2x+3-2^2x+1=48,求x2^2x*2^3-2^2x*2=48(2^3-2)*2^
已知x满足2^2x+3-2^2x+1=48,求x
已知x满足2^2x+3-2^2x+1=48,求x
已知x满足2^2x+3-2^2x+1=48,求x
2^2x*2^3-2^2x*2=48
(2^3-2)*2^2x=48
2^2x=8=2^3
2x=3
x=3/2
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