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dong04bg
2 năm trước
x x 62 + x x 48 = 4200 x x 75 + 57 x x = 32604 216 : x + 34 : x = 10 x x 186 - x x 86 = 3400 125 x x - x x 47 = 25350 2125 : x - 125 : x = 10 x x 163 - x x 123 = 1000
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