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efectueaza:
Va rog!
Dau coroana!. ​


EfectueazaVa Rog Dau Coroana class=

Răspuns :

a) (5:5+9)×78

1+9×78

1+702=703

b) (30+25):5

55:5=11

c)900+300:10-(76+84)

900+300:10-160

900+30-160

930-160=770

D)(5:5+9)×1000+700+11×8

10×1000+700+11×8

10000+700+11×8

10700+88=10788

e) (420:35+100)×100

112×100=11200

f) (20×4+2×10):10+17×100

100:10+17×100

10+1700=1710