Question

Toate 3 exercitile va rog ​

Answer 1

9.

a) 7/15= 6/15 + 1/15

b) 8/15 - 1/15

10.

a) 1/8 + 5/8 = 6/8 =3/4

b) 3/4 + 5/8 =( 3×2+5)/8=11/8

c) 1/3 + 5/8 = (8+15)/24 = 23/24

11.

a) 9/10 - 1/10= 8/10 = 4/5

b) 1/2 - 1/10 = (1×5-1)/10 = 4/10 = 2/5

c) 2/3 - 1/10 = (2×10-1×3)/30 = (20-3)/30 = 17/30

Answer 2

 * Sper că te-am ajutat! *