Question

Toate exercițiile
...

Answer 1

4. a)-4+2+8-5=+1
    b)3+7+5-10=+5
    c)-2-3+4+5=+4
    d)3+5-2-3+7+1=+11
    e)10-6+10+6=+20
    f)-22+21+25-20=+4
5. a)+4-(-3)=+4+3=+7
    b)-5-(-6)=-5+6=+1
    c)6-(+4)+(-7)=6-4-7=-5
    d)5+3-1-9-2=-4
    e)-3-11+1-4-7=-24
Sper ca te.am ajutat!