" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b. 2.-1 + -1.2 + 3.2.1 - 1 = 1
4+(-5)-3
4+(-8)
(-4)
b) (2)(-1)+(-1)2+3(2)(1)-1
(-2)+(-2)+5
(-4)+5
1