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va roooooooooooooooooooooog!!!​

Va Roooooooooooooooooooooog class=

Răspuns :

Răspuns:

2/7+3/7=5/7

8/100+50/100=58/100

3/9+4/9=7/9

4/10+4/10=8/10=4/5

Explicație pas cu pas:

a) 2/7 + 1/7 =3/7

5/9 + 3/9= 8/9

2/4+ 1/4=3/4

1/9 + 6/9=7/9

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b). 8/100 + 3/100=11/100

4/6+1/6=5/6

1/5 +2/5=3/5

7/20+6/20=13/20

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c). 3/9 +4/9=7/9

2/9+6/9=8/9

6/9+1/9=7/9

2/9+ 3/9=5/9

ti -am scris si pc. b ). in exemple de cate 3 fractii cum cere exercitiu , la fiecare punct ai cate 3 in plus.