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13 5
1×2 :2
Dau coroana


Răspuns :

1351×2:2=?
2:2=1
1351×1=1351
__________
Verificare:1351×2:2=1351
1351×2÷2=1351
1352×2=2704
2704÷2=1351



SAU



1351×2÷2=1351
2÷2=1
1351÷1=1351




Coronița?