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a fost răspuns

Grupati convenabil si efectuati calculele:
a)17+28+35+233+22+85
b)475+199+387-175-19-187
c)423+513+174+377+287+626
d)743+581+446-543-181-346

Răspuns :

Deva
a)17+233+28+22+35+85=250+50+120=420
b)475+175+199-19+387-187=550+180+200=930
c)423+377+513+287+174+626=800+800+800=2400
d)743-543+581-181+446-346=200+400+100=700

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