Show:
patterns
subtraction
addition
variables
multiplication
100

1,2,3,4,

5

100

46-23=

23

100

67+22=

89

100

Rx6=18

3

100

45x1=

45

200

2,5,8,

11

200

85-69=

16

200

85+95=

180

200

36\L=9

4

200

6x3=

18

300

3,6,4,2,

5

300

106-12=

94

300

96+96=

192

300

48\h=6

8


300

10x7=

70

400

10,20,30,

40

400

408-306=

102

400

98+265=

363

400

106\k=53

2

400

5x60=

300

500

114,134,154,

174

500

1096-598=

498

500

526+261=

787

500

806xb=806

1

500

114x10=

1140