Addition
60 + 231 = X
X = 291
500 - 220 = X
X = 280
8 x 8 = X
X = 64
5/5 = X
X = 1
42 = X
X = 16
6,450 + 650 = X
7100
6,450 - 345 = X
X = 6,105
1000 x 53 = X
X = 53, 000
1/2 - 1/2 = X
X = 2/2 or 1
33 = x
27
2467 + 3,002 = X
X = 5,469
345 -126 = x
219
10.2 x 3.4 = X
X = 34.68
1/2 + 3 = X
X = 7/2
34 = X
81
100 +275 +47 = X
X = 422
23,612 - 8,393
15,219
(6-3) x (10 + 15) = X
X = 75
10/3 - 5/3 - 3/3 =
X = 2/3
43 = X
X = 64
472 + 1,937 + 12 = x
2,421
100 - (80 - 50) - 2 = X
X = 68
(4-6) X (10+10) = x
-40
1/6 + 2/3 = X
X = 5/6
(3+5)2/4 - 5 = X
X = 11