Toán Lớp 7: Tìm\ x:\ x – 4^2 = 2 x 3 x 7 +42
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Toán Lớp 7: Tìm\ x:\ x – 4^2 = 2 x 3 x 7 +42
Comments ( 2 )
$x-4^{2}=42+42$
$x-16=42+42$
$x-16=84$
=> $x=100$