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TranHai
2 năm trước
Thực hiện phép tính : Tính nhanh nếu có thể a) ( -4 - 6 ).( -4 + 6 ).(-3)^3 b) 16.20 - 8.10.2 c) 271- [(-43) + 271 + (-13)] d) 40.(45-135) - 40. (45 + 65)
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