Show:
Multpication
Addition
Subtraction
Divison
100

100*72

7200

100

2+?=24

what is  22

100

28-4

24

100

2/2

1


200

6*79

474

200

10+5+20

what is 35

200

23-7

16

200

78/21

3.71428571429

300

2*24

48

300

20+80

what is 100

300

68-82

-14

300

21/3

7
400

45*12

540

400

256=?

 what is 200+50+6

400

87-28

59

400

28/3

9.33333333333

500

1*0

0

500

500+0 is what property

what is the identity property

500

178-64

114

500

1/0

0