Question

aflati x e in astfel incat a)5 supra6=10 suprax b)xsupra 5=2 supra10 c)7supra14=x supra 2 d)3 supra x =9 supra `15 e)40suprax= 5 supra 2 f)1 supra3= x supra 12 g)7 supra49= 3 supra x.

Answer 1

Răspuns

Explicație pas cu pas:

5/6 = 10/x

x = 10*6/5 = 12

_________

x/5 = 2/10

x = 2*5/10 = 1

_________

7/14 = x/2

7/14 = 1/2 = x/2

x = 1

______________

3/x = 9/15

9/15 = 3/5

3/x = 3/5

x = 5

____________

40/x = 5/2

x = 2*40/5 = 16

____________

1/3 = x/12

x = 12/3 = 4

___________

7/49 = 3/x

7/49 = 1/7

1/7 = 3/x

x = 3*7 = 21