112% = 1,12
175% = 1,75
120% = 1,2
250% = 2,5
105% = 1,05
101% = 1,01
1)1/6и 3/6
2) 1/9и 3/9
3) 1/4и 2/4
4) 15/20и 16/20
5) 5/8и 6/8
6) 7/12и 10/12
1) 18/30и 25/30
2) 54/99и 44/99
3) 55/66и 24/66
4)7/18и 3/18
5)45/65и 52/65
<span>6) 20/28и 21/28</span>
В^2+49-(в^2-14в+49)=
в^2+49-в^2+14в-49=
(в^2-в^2)+(49-49)+14в=
14в.