Show:
Mental Math
Subtract
Mental Math
Multiply
Mental Math
Division
Multiplication
Division
100

23-8

15

100

7*6

42

100

88/8

11

100

21*21

441

100

100/25

4

200

56-27

29

200

11*10

110

200

56/7

8

200

34*66

2244

200

320/4

80

300

204-64

140

300

8*13

104

300

25/2

12.5

300

123*45

5535

300

968/11

88

400

132-53

79

400

12*13

156

400

-80/-40

2

400

178*346

61588

400

2016/14

144

500

57-68

-11

500

21*8

168

500

-120/10

-12

500

1254*237

297198

500

2484/23

108