Question

Valueof expression 1 - 2 + 3-4+5 is
Options :-
a) 3
b) -3
c) zero d) - 1​

Answer 1

Answer:

$1 - 2 + 3 - 4 + 5 \\ = 1 + 1 + 1 \\ = 3$

Answer 2

Option a is correct..!!

1-2+3-4+5

=> -1+3-4+5

=> 2-4+5

=> -2+5

=> 3