7−(−1)=

(−4)−(−1)=

(−27):(−3)=

(+54):(−6)=

(+150):(−5):(−6)=

(−18):6⋅(−2):(−6)=

Suma dintre un numar intreg si opusul sau este egala cu:

-5-(-5)+9+(-15)=

-15>-16

3>|-5|

0 $$\cdot$$ (-11) =