Question

aflati nr x din proportiile:
va rog frumos dau corana!!!​

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

a)•1/4/5 = x/6

1/20=x/6

6=20x

20x=6

x=3/10

x=0,3

c) •0,25/0,5=0,15 /x

0,25/0,5=0,15/x , x≠0

1/4/0,5=0,15/x

1/4/1/2=0,15/x

1/4/1/2=3/20/x

1/2=3/20/x

1/2=3/20x

20x=6

x=3/10 , x≠0

x=3/10

x=0,3

f)•1/x/5=3/4

1/x/5=3/4 , x≠0

1/5x=3/4

4=15x

15x=4

x=4/15 , x≠0

x=4/15

x=0,26

"/" - asta inseamna supra de exp.

1/4 , adica 1 supra 4