👤

Calculati:


(-3)+(+5)
(+21)+(+10)
(+25)+(+25)


Răspuns :

1. -3 + 5 = +2
2. +21 + 10 = + 31
3. +25 + 25 = +50 

(-3)+(+5)=2 
(+21)+(+10)=31
25+25=50