Question

calculati a) 4+(-2)+(-4) ; b ) 5+(-4)+(-6)+9; c) 7+(-6)+(-1)+8+(-8); d) -8-(-16)-(-2); e) 5+(-7)-(-4)-(-4); f) 3+(-2)+(-4+3).

Answer 1

a) 4+(-2)+(-4) = 4-2-4 = 2-4 = -2.

b) 5+(-4)+(-6)+9 = 5-4-6+9 = 1-6+9 = -5+9 = 4.

c) 7+(-6)+(-1)+8+(-8) = 7-6-1+8-8 = 1-1 = 0.

d) -8-(-16)-(-2) = -8+16+2 = 8+2 = 10.

e) 5+(-7)-(-4)-(-4) = 5-7+4+4 = -2+8 = 6.

f) 3+(-2)+(-4+3) = 3-2+(-1) = 1-1 = 0.


Succes!