Question

explain how is it subtracting or adding

Answer 1

14: it is subtracting (11-7=?)
15:it is subtracting (12-5=?)
16: it is subtracting (16-7=?)
17 it is adding (5+8+8=?)

hope this helps

Answer 2

14) 11 - 7 = 4
This is subtracting
15) 12 - 5 = 7
This is subtracting
16) 16 - 7 = 9
This is subtracting
17) 4 + 8 = 12
This is addition