hard Set 6 Form Exercise

Start at 15. Follow the chain: -6, +6, ÷5, +12, +8. What is the result after step 4?

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Answer: 15

StartNumber
15
Steps
  • {"op":"-","value":6}
  • {"op":"+","value":6}
  • {"op":"\u00f7","value":5}
  • {"op":"+","value":12}
  • {"op":"+","value":8}
Values
  • 15
  • 9
  • 15
  • 3
  • 15
  • 23
MissingStep
3

Start at 28. Follow the chain: ÷4, +1, +14, +3, ×3. What is the result after step 5?

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Answer: 75

StartNumber
28
Steps
  • {"op":"\u00f7","value":4}
  • {"op":"+","value":1}
  • {"op":"+","value":14}
  • {"op":"+","value":3}
  • {"op":"\u00d7","value":3}
Values
  • 28
  • 7
  • 8
  • 22
  • 25
  • 75
MissingStep
4

Start at 44. Follow the chain: -20, -12, -6, -2, -3. What is the result after step 1?

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Answer: 24

StartNumber
44
Steps
  • {"op":"-","value":20}
  • {"op":"-","value":12}
  • {"op":"-","value":6}
  • {"op":"-","value":2}
  • {"op":"-","value":3}
Values
  • 44
  • 24
  • 12
  • 6
  • 4
  • 1
MissingStep
0

Start at 34. Follow the chain: ×5, ÷5, ×2, ÷2, -11. What is the result after step 5?

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Answer: 23

StartNumber
34
Steps
  • {"op":"\u00d7","value":5}
  • {"op":"\u00f7","value":5}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":2}
  • {"op":"-","value":11}
Values
  • 34
  • 170
  • 34
  • 68
  • 34
  • 23
MissingStep
4

Start at 30. Follow the chain: ÷2, -13, ×2, -1, ×5. What is the result after step 5?

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Answer: 15

StartNumber
30
Steps
  • {"op":"\u00f7","value":2}
  • {"op":"-","value":13}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":1}
  • {"op":"\u00d7","value":5}
Values
  • 30
  • 15
  • 2
  • 4
  • 3
  • 15
MissingStep
4

Start at 18. Follow the chain: ÷6, +7, ×5, -13, +2. What is the result after step 4?

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Answer: 37

StartNumber
18
Steps
  • {"op":"\u00f7","value":6}
  • {"op":"+","value":7}
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":13}
  • {"op":"+","value":2}
Values
  • 18
  • 3
  • 10
  • 50
  • 37
  • 39
MissingStep
3

Start at 17. Follow the chain: ×2, ×5, ÷2, ×2, -19. What is the result after step 1?

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Answer: 34

StartNumber
17
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"\u00d7","value":5}
  • {"op":"\u00f7","value":2}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":19}
Values
  • 17
  • 34
  • 170
  • 85
  • 170
  • 151
MissingStep
0

Start at 1. Follow the chain: ×3, -2, +4, ×3, ×4. What is the result after step 2?

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Answer: 1

StartNumber
1
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"-","value":2}
  • {"op":"+","value":4}
  • {"op":"\u00d7","value":3}
  • {"op":"\u00d7","value":4}
Values
  • 1
  • 3
  • 1
  • 5
  • 15
  • 60
MissingStep
1