Question

va rog mult
exercițiile 7,8,9 ​

Answer 1

Răspuns:

7.

a)x=9/14 : 3/2(/ inseamna radical) x=3/7

b)x=6/15 : 2/3 x=3/5

c)x=8/10 : (-4/5) x=-2/2

d)x=-4/14 :2/2 x=-2/7

e)x=-2/90 : -6/2 x=0,(3)/45(nu sunt sigur aici)

f)x=-2/56 : -4/7 x=0,5/8

8.nu il stiu scuze

9.

a)x=2/7x5/21 x=10/147

b)x=7/5x(-/10) x=-7/50

c)x=-7/3x(-/6) x=7/18

d)x=7/2x(-7/10) x=-49/20

e)x=-2/3x(-4/21) x=8/63

f)x=4/5x(-8/15) x=-32/75

Sper ca este corect si ca te am ajutat!