Question

1. Calculați:
a) +(-5)+(+3)-(+2)-(-8)=
b) -(-10)-(+7)+(+3)+(-4)=
c) +(9)+(-3)-(-5)+(+2)=
d) -(+8)-(+10)+(-3)-(-2)=

va rog rapid​

Answer 1

Răspuns:

Explicație pas cu pas:

a) +(-5)+(+3)-(+2)-(-8)=-5+3-2+8=11-7=4

b) -(-10)-(+7)+(+3)+(-4)=10-7+3-4=13-11=2

c) +(9)+(-3)-(-5)+(+2)=9-3+5+2=16-3=13

d) -(+8)-(+10)+(-3)-(-2)=-8-10-3+2=-21+2=-19

Answer 2

a) -5+3-2+8=-2-2+8=-4+8=4
b)+10-7+3-4=3+3-4=2
c) 9-3+5+2=6+5+2=13
d) -8-10-3+2= -18-3+2= -21+2= -19