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a fost răspuns


Efectuati urmatoarele exercitii in doua moduri:
1)Desfiintand parantezele (si facand suma termenilor)
2)Calculand separat fiecare paranteza

e)(300-250-4500)-(80-75+25)
f)(76-39-17)+(-5+47)
g)(-100+73-33)-(-50+200-120)-(34-29+15)
h)-(34+200)+(-13+143-50)-(17+347-24)
i)-(38+20)+(-18+60)-(55-25+180)+(84-44)-(36+16)