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va rog dau coroana ma abonez dau inimi si stele urgent va rog​

Va Rog Dau Coroana Ma Abonez Dau Inimi Si Stele Urgent Va Rog class=

Răspuns :

Răspuns:

a)-3+10-6=7-6=1

b)13-3-6=10-6=4

c)5-2+6-2=3+6-2=9-2=7

d)8-4-2-5=4-2-5=2-5=-3

e)60+30-30+10-20-40-10-30=90-30+10-20-40-10-30=60+10-20-40-10-30=70-20-40-10-30=50-40-10-30=10-10-30=-30

f)90+30-50+90-10-30+50-10=120-50+90-10-30+50-10=70+90-10-30+50-10=160-10-30+50-10=150-30+50-10=120+50-10=170-10=160