Toán Lớp 6: 20 – 2 ( x + 4 ) = 4
làm xong vote 5 sao
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Toán Lớp 6: 20 – 2 ( x + 4 ) = 4
làm xong vote 5 sao
Comments ( 2 )
2(x + 4) = 20 – 4
2(x + 4) = 16
x + 4 = 8
x = 8 – 4
x = 4
Vậy x = 4