Question

plss repedeeeeeeeeeee​

Answer 1

Răspuns:

R

Explicație pas cu pas:

a)5/7:?=20 5/7=20×a. a=5/140

b)b:1/15=3/11. b=3/11×1/15= 3/11×15=1/55

c)17 1/2:c=3 1/2

35/2:c=7/2. 35/2=7/2×c

c=35/2×2/7=35/7=5

d)4 1/11:d=1 4/11

45/11:d=15/11. 45/11=15/11×d

d=45/11×11/15=3

e)e:14=5 1/7. e=36/7×14

e=36/2=18

f)226/125:f=339/125 /×125

226:f=339 /:113

2:f=3. 2=3f. f=2/3