Question

1 3/4×-2/12-8/21×2/12+3 3/7 упростите выражение ПОЖАЛУЙСТА ПОМОГИТЕ

Answer 1

$1 \frac{3}{4} \times ( - \frac{2}{12} ) - \frac{8}{21} \times \frac{2}{12} + 3\frac{3}{7} = \frac{1}{6} \times ( - 1 \frac{3}{4} - \frac{8}{21} ) + 3 \frac{3}{7} = \frac{1}{6} \times ( -1 \frac{3 \times 21}{84} - \frac{8 \times 4}{84}) + 3 \frac{3}{7} = \frac{1}{6} \times ( - 1 \frac{ - 63 - 32}{84} ) + 3 \frac{3}{7} = \frac{1}{6} \times ( - 2 \frac{11}{84} ) + 3 \frac{3}{7} = - \frac{179}{6 \times 84} + 3 \frac{3}{7} = - \frac{179}{504} + 3 \frac{3 \times 72}{504} = 3 \frac{216 - 179}{504} = 3 \frac{37}{504}$

Answer 2

1 3/4-2/12-8/21*2/12+3 3/7(1 3/4-2/12*2/12)-(8/21+3 3/7)=2 1/6 + 3 1/21