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1
2
3
4
5
100
18-2=
What is 16
100
20-5=
What is 15
100
32-1=
What is 31
100
28-7=
What is 21
100
14-2=
What is 12
200
25-10=
What is 15
200
32-8=
What is 24
200
16-8=
What is 8
200
34-12=
What is 22
200
58-12=
What is 46
300
86-57=
What is 29
300
87-59=
What is 28
300
91-58=
What is 33
300
72-49=
What is 23
300
97-54=
What is 43
400
71-53=
What is 18
400
64-44=
What is 20
400
65-15=
What is 50
400
99-18=
What is 81
400
26-18=
What is 8
500
99-94=
What is 5
500
87-78=
What is 9
500
43-38=
What is 5
500
87-44=
What is 43
500
85-29=
What is 56