2=1+1=1/2+1/2+1/2+1/2=1/4+1/4+1/4+1/4+1/4+1/4+1/4+1/4
1=1/2+1/2=1/4+1/4+1/4+1/4=1/8+1/8+1/8+1/8+1/8+1/8+1/8+1/8
1/2=1/4+1/4=1/8+1/8+1/8+1/8=1/16+1/16+1/16+1/16+1/16+1/16+1/16+1/16
959124-813688=145436
145436:706=206
Ответ:206
984
1.5/12<x<9/4
4/5<у<4/3
1/3<x*y<3
2.8/5< х<28/9
5/8<у<9/7
1<х*у<4
3.14/5<х<9/2
5/7<у<2
2<х*у<9
985
Я не смогла:)