55+22
77
14-5
9
2x2
4
6/6
1
64+35
99
278 + 106
384
67-24
43
30 x 20
600
56/8
7
1.80 x 0.60
2.4
1000+1000
2000
2765 x 0
0
120/3
40
.50 + .50
4629 + 729
5358
130,000 + 367,000
497,000
167-289
-122
222 x 888
197,136