Question

помогите пожалуйста
P.S : 6 класс

Answer 1

$1)(2 frac{2}{3} - 1 frac{1}{6} )a = 1 frac{4 - 1}{6} a = 1 frac{1}{2}a = frac{3}{2} times frac{2}{3} = 1 \ 2)30 div 5 times 2 = 12 : na : primery \ 30 - 12 = 18 : minut : ostavshee \ 18 div 9 times 5 = 10 : minut : reshala : zadachu \ ( frac{5}{6} x + frac{1}{7} x) times 42 = 82 \ frac{35 + 6}{42} x = frac{82}{42} \ frac{41}{42} x = frac{82}{42} \ x = frac{82}{42} div frac{41}{42} = frac{82 times 42}{42 times 41} \ x = 2$