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Ajutooooorrrrrtrrrrrrr

Ajutooooorrrrrtrrrrrrr class=

Răspuns :

Răspuns:

1. 4 grupe

a)20-5-5-5-5=0

b)20:5=4

2.15-3-3-3-3-3=0

15:3=5

3.18:2=9

18:3=6

18:6=3

4.49:7=7

54:9=6

64:8=8