Question

Calculati: a)(-4)+(+16)+(-7), b)(-5)-8+13, c)-3-9+10, d)2-(-3)-8, e)-13+13-(-5), f) -11+9+(-2). Va rog ajutatima.

Answer 1

a) -4+16-7=
=12-7=
=5

b) -5-8+13=
=-13+13=
=0

c)-3-9+10=
=-12+10=
=-2

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

e) -13+13+5=
=0+5=
=5

f)-11+9-2=
=-2-2=
=-4