(4,5:1.8-1,05)*2,4=(2,5-1,05)*2,4=1,45*2,4=3,48
(4,5:1,8-1,05)•2,4=(2.5-1.05) *2.4= 1.45*2.4=3.48
+ - общ
15 -13 2
6 -6 0
16 -16 0
14 -15 -1
16 -15 1
16 -14 2
18 -9 9
14 -23 -9
1)9
2)18
3)27
4)36
5)45
Верно всё!