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selathanh159
2 năm trước
f) 5x + 2x = 6^2 - 5^0 g) 5x + x = 150 : 2 + 3 h) 6x + x = 5^11 : 5^9 + 3^1 i) 5x + 3x = 3^6 : 3^3.4 + 12 j) 4x + 2x = 68 – 2^19 : 2^16 cái này là mũ nha ^ VD 1^2 đọc là 1 mũ 2
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