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viethoang18052006
2 năm trước
Câu 16: Thực hiện phép tính (tính nhanh nếu có thể): a) (-73) + (-2).7.(-5) + (-3)3 b) -(- 436) + 225 - 625 - (-564) c) (-48).75 + (-75).152 d) 999- *Giúp em anh chị ơi*
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