Question

state true or false
a) 17+15=15+[-17]
answer:- True -2
b) -64-(+64)=0 is false
answer:-64-64=-128
c) [(-17)+8]+20=[8+(-17)+20=false
answer:[17-8]+20=[8-17]+20.
d) (54-)+0=0is false
answer:-54-0=54.​

Answer 1

Answer:

1 false 2 true 3 true 4 false