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Basic Add
Basic Subtract
Not So Basic Add
Not So Basic Subtract
Surprise
100
45.4+7.6
What is 53
100
6.3-2.7
What is 3.6
100
76+5.89
What is 81.89
100
6.26-2.5
What is 3.76
100

7 x 7 =

What is 49

200
35.7+52.4
What is 88.1
200
7.75-3.60
What is 4.15
200
132.06+37.491
What is 169.551
200
4.802-1.3
What is 3.502
200

8 x 6 = 

What is 48

300
14.68+70.05
What is 84.73
300
68.99-62.56
What is 6.43
300
5.888+197.3
What is 203.188
300
6.6-1.991
What is 4.609
300

9 x 11

What is 99

400
140.7+256.8
What is 397.5
400
4-3.4
What is 0.6
400
1,013+12.5734
What is 1025.5734
400
4.305-0.6666
What is 3.6384
400

12 x 12 

What is 144

500
893.57+613.88
What is 1507.45
500
80-0.088
What is 79.912
500
0.85763+99.5691
What is 100.42673
500
793.65-142.563
What is 651.087
500

9 x 9

What is 81