1
2
3
100

Find the difference of 899 and 452.

447

100

How many left if you remove 391 to 401?

10

100

Subtract 759 to 171.

588

100

How many more is 760 than 564?

196

100

How many less is 879 than 1000?

121

100

Take away 72 from 996.

924

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