9/8
8/9
4/12=1/3
24/15=8/5=1,6
9/36=1/4=0,25
15/24=5/8
16/6=8/3
10/30=1/3
12/16=3/4
11/8
13/20
42/56=6/7
4,7-9,3=(-4,6)
Ответ: (-4,6)
(3,4 + 7) * (-1 7/18) = 10,4 * (-25/18) = 104/10 * (-25/18) = - (52*5)/(2*9) =
= - 260/18 = - 14 целых 8/18 = - 14 целых 4/9
Ответ: - 14 целых 4/9.
19,2*0,05=0,96
0,96/0,16= 6
24/32= 3/4
(24/32 = 0.75
0.75*4=3 )