Addition
30+60=
90
100-60=
5+5=
12+7=
19
30+70=
40+45=
85
75-30=
45
6+6=
15+5=
20
75-25=
50
51+43=
94
67-14=
53
7+7=
14
13+7=
20
77-9=
68
153+127=
280
176-147=
29
8+8=
11+12=
23
165-26=
139
147+127=
274
151-72=
79
9+9=
17+6=
23
175-97=
78