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One operation
Two Operations
Three Operations
Four Operations
100

10 + 5

15

100

14 x 2 -18

10

100

(12 x 2) + 32 - 27

29

100

20 + 35 - 7 x 2 

41

200

20 x 4

80

200

25 + (18 x 6)

133

200

50 - (12 x 4) + 65

67

200

[(12 x 6) +8] -10 -5 

65

300

100 - 83

17

300

(195 / 15) - 10

3

300

[ (16 / 4) + 20] / 12

2

300

{[46 + (14 x 2)] - 4} / 7

10
400

3600 / 90

40

400

12 x 10 x 4

480

400

50/10 x 14

70

400

56/7 x [(10-2) + 4]

96

500

175 x 11

1,925

500

184 + 12 x 23

460

500

(90 x 7) + 40

670

500

[(5 x 12) - 45] + 20 - 3

32