Question

1 ЗАДАНИЕ СРОЧНО.......

Answer 1

(1 6/7-1,6)*23 1/3=(13/7-8/5)*70/3=9/35*70/3=6

Answer 2

$1)1 frac{6}{7}-1,6= frac{13}{7}- frac{16}{10}= frac{13*10-16*7}{70}= frac{18}{70}= frac{9}{35}$ 
$2) frac{9}{35}*23 frac{1}{3}= frac{9}{35}* frac{70}{3}=6$ 
Ответ: 6