Addition
50+67=
117
78-23=
55
12x3=
36
18/9=
2
8+14-7=
15
189
212-121=
91
20x__=180
88/8=
11
(68/2)-24=
10
54+35+87
176
987-533=
454
4(8x2)=
64
198/33=
6
(54-34)/10
2
439+566=
1005
__-55=435
490
67x8
536
680/20=
34
6(7+6)+16=
94
225
567-__=122
445
32x56
1792
785/__=157
5
7(54/2)-23
166