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calculează atent ,urmărind modelele:1+3/4=4/4+3=7/4. 3-5/6=18/6-5/6=13/6

1+2/3=
3-5/7=
2+4/5=
1-1/6=
5+3/4=
4-10/8=


Răspuns :

Explicație pas cu pas:

³1+2/3=3/3+2/3=5/3

⁷3-5/7=21/7-5/7=16/7

⁵2+4/5=10/5+4/5=14/5

⁶1-1/6=6/6-1/6=5/6

⁴5+3/4=20/4+3/4=23/4

⁸4-10/8=32/8-10/8=22/8

Răspuns:

1)=0

2)=1

20-14=13/20+150/60:8=123