X

+
100

what is 2x2?

4

100

what is 4+5?

9

200

what is 8x3?

24

200

what is 9+12?

21

300

what is 6x4?

24

300

what is 10+21?

31

400

what is  7x10?

70

400

what is 48+ 27?

75

500

what is 21x3?

63

500

what is 123+332?

455