AJUTOR VA ROG, AM TEST CHIAR ACUM !!! DAU COROANA LA CEL PUTIN 3 EX REZOLVATE!!!!!!
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Răspuns:
1.a)24,27,33,39
b)4×20=80
2)22²-72-9=0
b)5(13-2)+4=5-4(7-4)
3)30+30+10=70
200+300+60