Alee93id
a fost răspuns

a) 7/11 + 2/11=

 

b) 5/8 + 1/8 + 2/8=

 

c)-15/4 +3/4=

 

d)103/205+ -71/206=

 

e) -8/23+ (9/23)=

 

f) 1/2+ 1/3 + 1/5=

 

g)2/7 + (-1/9)=

 

H) -10/7 + 11/7 + (-8/7)=

Răspuns :

MadaMadalinaid
a)9/11
b)8/8=1
c)-12/4=-3
e)1/23
f)1*25/30+1*10/30+1*6/30=25/30+10/30+6/30=35/30+6/30=41/30
g)9*2/72-1*7/72=18/72-7/72=11/72
h)-9/7

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