Toán Lớp 6: Bài 5: Tìm x biết :
a) (2 + x ) : 5 = 6
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Toán Lớp 6: Bài 5: Tìm x biết :
a) (2 + x ) : 5 = 6
Comments ( 2 )
a) (2+x):5 = 6
=> 2+x = 6.5 = 30
=> x = 30-2
=> x = 28
Vậy x = 28
(2 + x) : 5 = 6
2 + x = 6 . 5
2 + x = 30
x = 30 : 2
x = 15
=> Vậy: x = 15