Question

Ma poate ajuta cineva va rog? ​

Answer 1

Răspuns:

5. a) ( 1/5 ) + ( - 1/5 ) = - 2/5

b) - 7/3 - ( + 5/3 ) = - 2/3

c) 11/4 - ( - 1/4 ) = + 12/4

d) + 1/3 - ( + 4/3 ) = - 2/4

e) - 2/5 - ( - 7/5 ) = + 5/5 = 1

f) 4/3 + ( - 1/3 ) = 3/3 = 1