2 – ( 48 – 24 X 2

Câu1/ (1 điểm): Tìm y biết:

a) y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0

9 2

– y) = 39

b) (7 x 13 + 8 x 13) : ( 3

b)---

a)---

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