Test: Integers (BLUE)

a) $\displaystyle 5-7=$ b) $\displaystyle -9+3= $ c) $\displaystyle +3+5= $ d) $\displaystyle -4-6= $ e) $\displaystyle (-4)+(-3)= $ f) $\displaystyle (+2)-(-1)= $ g) $\displaystyle (-5)-(+6)= $ h) $\displaystyle 4-11 +2= $ i) $\displaystyle -7+1 -11= $ j) $\displaystyle (-7)\cdot(+2)= $ k) $\displaystyle (-5)\cdot(-2)= $ l) $\displaystyle (+6):(-3)= $ m) $\displaystyle 3+(+2)\cdot(-2)= $ n) $\displaystyle (-12):(-4)+(-2)\cdot(+3)= $