Question

(+2).(-4).(-1).(+7)=
(-5).(-6).(+3)=

Answer 1

4 and the second one -8

Explanation:

in the first one you have to 2 and take away 4 so you get a negative number and the you take one more number and then add 7

in the second one you have -5 and then take away 6 and then add 3