truetruetrue6additions et soustractions
$$(-3)+3=...\ ?$$


0int
$$2+4=...\ ?$$


6int
$$(-7)+4=...\ ?$$


-3int
$$(-7)+(-3)=...\ ?$$


-10int
$$7+(-3)=...\ ?$$


4int
$$7-(-3)=...\ ?$$


10int
$$-8-(-3)=...\ ?$$


-5int
$$-8-5=...\ ?$$


-13int
$$2-5=...\ ?$$


-3int
$$2-(-5)=...\ ?$$


7int