Show:
addition
exponents
division
multiplication
9,11,12
100

23+64

87

100

102

100

100

56/7

8

100

577x8

4616

100

9x9

81

200

86+57

143

200

93

729

200

144/12

12

200

37x4

148

200

11x7

77

300

127+64

191

300

26

64

300

81/9

9

300

63x17

1071

300

12x6

72

400

687 +871

1558

400

74

2401

400

237/3

79

400

87x40

3480

400

9x12

108

500

999+879

          1878

500

104

10,000

500

160/20

8

500

2425 x 46

111,550

500

12x12

144