3/8----------9
1------------x
x=(1*9)/(3/8)=24
2)
a-9/16a=5 1/4
16/16a-9/16a=5 1/4
7/16a=5 1/4
a=(5 1/4)/(7/16)=12
3)
(3.1d-d)/0.2=1.05
2.1d=1.05*0.2
d=0.21/2.1=0.1
7/3 = 2 целых 1/3
15/4 = 3 целых 3/4
20/7 = 2 целых 6/7
87/10 = 8 целых 7/10
247/23 = 10 целых 17/23
377/18 = 20 целых 17/18
249/100 = 2 целых 49/100
Б) 1 целая 2/11
в) 1 целая
г) 8/11