Question

($frac{2}{3 frac{4}{5} }$+$ffrac{1}{6}$)*(23$frac{2}{3}$-15$frac{5}{9}$)*$frac{45}{58}$-$frac{1}{2} }$

Answer 1

по действиям
2: 4/5=2*5/4=1*5/2=5/2=2 1/2
2 1/2+1/6=2 3/6+1/6=2 4/6=2 2/3

23 2/3-15 5/9=23 6/9-15 5/9=8 1/9

2 2/3*8 1/9*45/58=8/3*73/9*45/58=8/1*73/9*15/58=8*73/3*5/58=
=4*73/3*5/29=1460/87=16 68/87

16 68/87-1/2=16 136/174- 87/174=16 49/174