subtraction
15-10
5
7x7
49
15÷5
3
15+25
40
400
50-25
25
9x9
81
40÷10
4
24+12
36
156-25
131
182-132
50
9x13
117
100÷4
25
155+125
180
135÷2
68
200-25
175
9x14
126
200÷5
40
87+13
100
IF I had 390 horsepower and someone else had 400 horsepower how much more would he have
10
213-122
91
168
260÷4
65
232+212
444
12x13
156