a) \frac{-}{8} và \frac{-}{24} b) \frac{-}{-5} và \frac{-}{-5} c) \frac{-}{-10} và \frac{-}{-20} d) \frac{-}{4} và \frac{-}{-20} 2. T? 1 g?m 8 b?n có t?ng chi?u cao là 115 dm. T? 2 g?m 10 b?n có t?ng chi?u cao là 138 dm. H?i chi?u cao trung bình c?a các b?n ? t? nào l?n h?n?
Added by Francis C.
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We can do this by dividing the total height of team 1 (415 dm) by the number of players in team 1 (8): Average height of team 1 = 415 dm / 8 = 51.875 dm Show more…
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