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Ex 3 si 4 va rog dau coroana repedee!!!

Ex 3 Si 4 Va Rog Dau Coroana Repedee class=

Răspuns :

Răspuns:

3.a)19/5+3/5=21/5

b)5/4+9/4=14/4

c)8/3-4/3=4/3

d)17/6-19/6= -2/6= -1/3

e) -11/3-5/3= -16/3

f) -10/7-29/7= -39/7

4.a)13/5

b)11/3

c)7/4- 1/4=6/4=3/2

d)-6/7+5/7=1/7

e)-5/6-5/6= -10/6= -5/3

f)-3/8-11/8= -14/8= -7/4