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dothinhantp
2 năm trước
BÀi 3 giải các pt sau: 1, 1,5-(x-3,2) = 5 (0,3+1,2x) 2, 4,5x-4 (0,5x+3x) = 4,7+1,8x 3, 6 (2,8-0,5x) = 2,6+(1,8x-5) 4, 1,2-4,5 (3x+3,1) = 26x-0,25(1,3-4,3x) cho pt (m bình-5)x+2,3 = m-8 với m là tham số giải pt trong mỗi trường hợp sau: a, với m = 1,5 b, với m = -2,7 c, với m = 5,3 d, với m= -3,8 giúp mik vs DÕ dàng hộ mik vs ạ
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