Question

3) Calcule

a) (-8) - (+5) =
b) (+5) - (-6) =
c) (-2) - (-4) =
d) (-7 - (-8) =​

Answer 1

$A)\\\left(-8\right)-\left(5\right)\\\\-8-5=-13$

$B)\\\left(5\right)-\left(-6\right)\\\\5+6=11$

$C)\\\left(-2\right)-\left(-4\right)\\\\-2+4=2$

$D)\\\left(-7\right)-\left(-8\right)\\\\-7+8=1$