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ΔΔΔΔΔΔΔΔΔΔ
20 - 4 = 10 + 10 - 4 = 10 + 6 = 16
20 - 8 =
20 - 5 =

20 - 7 =



Răspuns :

Răspuns:

20-8=10+10-8=10+2=12

20-5=10+10-5=10+5=10

20-7=10+10-7=10+3=13

Răspuns:

20-8=10+10-8=10+2=12

20-5=10+10-5=10+5=15

20-7=10+10-7=10+3=13