Tìm x: (1,0đ) a, 328 : x = 14 – (16 : 2 + 18 : 9)
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Bài 4: Tìm x: (1,0đ)
a, 328 : x = 14 – (16 : 2 + 18 : 9)
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b, \(\frac{9}{4} - x = \frac{5}{6}\)
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