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Andreeavvv
a fost răspuns

Efectueaza:a)2+1/2=
3+3/5=
1/3+1+2/3
b)1/2+2/4=
1/2+5/10=
2/6+1/3=
2/8+1/4=
2/10+1/5=
la a) am un model: 1+3/4=4/4+3/4=7/4

Răspuns :

Marianalin
a) 2+1/2=4/2+1/2=5/2
3+3/5=15/5+3/5=18/5
1/3 +1+1/3=1/3+3/3+1/3=8/3
b)1/2+2/4=2/4+2/4=4/4=1
1/2+5/10=5/10+5/10=10/10=1
2/6+1/3=2/6+2/6=4/6
2/8+1/4=2/8+2/8=4/8
2/10+1/5=2/10+2/10=4/10

Alte intrebari