1.

16 \frac{2}{5}-12 \frac{1}{15} ) \div 3 \frac{4}{81}=?

Answer»

(82/5 - 181/15 ) ÷ 247/81 = (246-181)/15 ÷ 247/81 =65/15 × 81/247 =13/3 × 81/247 =27/19



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