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maianhoppa1506
2 năm trước
Tìm x bt a. /x- 3/2 /= 1 b. 17/4 - / 5/6 - x / = -7/4 c. (x + 1/3 ) ^2 + 4/9 = 8/9 Tìm hiệu A = x - y - z , bt : 2/3 + x = -4/5 y - 2/3 = -5/4 2- z = 103/60
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