100
75 - 27 =
What is 48?
100
452 - 227 =
What is 225?
100
3,253 - 1,239 =
What is 2,014?
100
907 - 328 =
What is 579?
200
35 - 17 =
What is 18?
200
634 - 228 =
What is 406?
200
6,457 - 2,239 =
What is 4,218?
200
805 - 247 =
What is 558?
300
78 - 39 =
What is 39?
300
753 - 468 =
What is 285?
300
7,352 - 3,178 -
What is 4,174?
300
603 - 358 =
What is 245?
400
92 - 75 =
What is 17?
400
964 - 596 =
What is 368?
400
5,261 - 2,173 =
What is 3,088?
400
902 - 645 =
What is 257?
500
85 - 36 =
What is 49?
500
542 - 178 =
What is 364?
500
8,457 - 5,368 =
What is 3,089?
500
304 - 168 =
What is 136?