Question

am nevoie urgent cine ma poate ajuta ​

Answer 1

Explicație pas cu pas:

-10+(+12)=-10+12=2

+17+(-21)=17-21=-4

-10+(-12)=-10-12=-22

+17+(+21)=+17+21=38

(-1)+(-2)+(+3)=-1-2+3=0

Sper ca te-am ajutat!

Coroana?

Answer 2

Răspuns:

Explicație pas cu pas:

$\bf - 10 + (+ 12) = -10 + 12 = \red{\underline{~2~}}$  

$\bf +17+(-21)=+17-21=\purple{\underline{-4}}$  

$\bf -10+(-12)=-10-12=\blue{\underline{-22}}$  

$\bf +17+(+21)=+17+21=\pink{\underline{~38~}}$  

$\bf (-1)+(-2)+(+3)=-1-2+3=\red{\underline{~0~}}$

==pav38==