Question

6 целых 3\4 умножить 1 целая 11\15

Answer 1

$6 \frac{3}{4} \times 1 \frac{11}{5} = \frac{6 \times 4 + 3}{4} \times \frac{1 \times 5 + 11}{5} = \frac{27}{4} \times \frac{16}{5} = \frac{9}{2} \times \frac{13}{5} = \frac{117}{10} = 11 \frac{7}{10}$