Question

Срочно!!215*(12+23-34):38

Answer 1

2/15*(1/2+2/3-3/4):3/8=4/27
1)1/2+2/3-3/4=(6+8-9)/12=5/12
2)2/15*5/12=1/18
3)1/18:3/8=8/54=4/27