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Calculează in doua moduri:a)(300+600):3; B) (800-200):4; C) (800+500-300):5.

Răspuns :

Ggabitu34
(300+600):3=900:3=300
(300+600):3=300:3+600:3=100+200=300
(800-200):4=600:4=150
(800-200):4=800:4-200:4=200-50=150
(800+500-300):5=1300-300:5=1000:5=200

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