Question

выполните действие 2:1/4+(1 1/2+2 2/3):(3 3/4-2/3):8 8/9

Answer 1

2:1/4=2×4/1=8
1 1/2+2 2/3=3/2+8/3=9/6+16/6=25/6
3 3/4-2/3=15/4-2/3=45/12-8/12=37/12
25/6:37/12=25/6×12/37=50/37
50/37::8 8/9=50/37×9/80=45/296
8+45/296=8 45/296