2.
Write a number that is
a) 5 bigger than -13
b) 12 smaller than 21
c) 6 less than -1
3. Simplify (use a calculator)
a) -3- (-2)
b) -1.5 - (-0.5) - (-6)
c) -2-(-1)-(-4)
d) -36 - (-2) + 2
e) 84 + (-36) + (-21)​