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2 năm trước
Câu 1 Tính nhanh(nếu có thể) a)6^7:6^5+5^2.2^5 b) 36.2020 - 2020.26 c) 35.273++3^3.35 d){2^3.40-[95-(8-3)^2]}:50 Câu 2 a) 45 - 9.(13 + 5) b) -(-256)+(-156) - 324 +32 c) 237.(-26) + 26.137 d) 57.(43 – 36) – 43. (36 + 57) Giup minh voi
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