Question

maths sums please tell doubts

Answer 1

1- (3*1) - 2*(-1)
3+2
5
b-4(1)2 - 2(-1)2
4-2
w
c-5*1-1+4
5+3
7
d-3(1)+5(-1)-7
3-5-7
3-12
-9
e-12(1)+11(-1)-1
12-11-1
12-12
0

Answer 2

1)5 2)12 3)10 4)-5 5)0