Exercitiile 5,6 si 7.

Răspuns:

Explicație pas cu pas:

5.

Crista a rezolvat 2/6; i-au ramas 6/6 - 2/6 = 4/6

Iarina a rezolvat 2/6 + 1/6 = 3/6; i-au ramas 6/6 - 3/6 = 3/6

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6.

Banii folositi 2/6 + 1/6 = 3/6

Ii ramane 6/6 - 3/6 = 3/6

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7.

Stejari 2/9

Fagi 2/9 + 1/9 = 3/9

Fagi si Stejari = 3/9 + 2/9 = 5/9

Castani 9/9 - 5/9 = 4/9

5.

2\6-crista

cu 1\6 mai mult -Iarina(cred)

6\6-2\6=4\6- Crista

2\6+1\6=3\6

6\6-3\6=3\6-Iarina

6.

2\6+1\6=3\6

6\6-3\6=3\6

7.

2\9+1\9=3\9 -fagi

9\9-2\9-3\9=4\9 -castani