Toán Lớp 6: 1/36(x-1/2)^2=1/9
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Toán Lớp 6: 1/36(x-1/2)^2=1/9
mong các bạn giúp mình
Comments ( 2 )
↔(x−1/2)^2=1/9:1/36
↔(x−1/2)^2=4
↔⎡x−1/2]=2x−1/2=−2
↔2+1/2x=−2+1/2
↔x=5/2x=−3/2
Vậy x=5/2 hoặc x=−3/2