nuraiim 615:5=123
10,200:100=0,102
160:4=40
123+0,102=123,102
123,102-40=83,102

vi4cka1 (615:5)+(10,200:100)-(160:4)=83,102
1) 615:5=123
2)10,200:100=0,102
3)160:4=40
4)123+0,102=123,102
5)123,102-40=83,102