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Calculati :

12:2+22-4+(22+21)-5

18:2-6+(28:28)-5

900+81-810-(22:2)-35

Răspuns :

Pisicuta153
6+18+43-5=62
9-6+1-5=-1
981-810-11-35= 160-35=125
Dextarone
12:2+22-4+(22+21)-5= 6+22-4+43-5=28 -4+43-5=24+43-5=67-5=62

18:2-6+(28:28)-5 = 9-6+1-5=3+1-5=4-5=-1

900+81-810-(22:2)-35 = 981-810-11-35 = 171 -11-35=160-35=125

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