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Concurs joc. Dau coroana! ​

Concurs Joc Dau Coroana class=

Răspuns :

Răspuns:

1. 3×8+63:7=24+9=33

2. 64:8+9×8=8+72=80

1. a×9-3×9

a=3,4,5,6,7, 8,9

3×9-3×9=27-27=0

2. 32a+(140+440)=32a+440=472