hard Set 2 Form Exercise

Start at 29. Follow the chain: -11, ×2, ×5, -5, -11. What is the result after step 2?

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Answer: 36

StartNumber
29
Steps
  • {"op":"-","value":11}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":5}
  • {"op":"-","value":11}
Values
  • 29
  • 18
  • 36
  • 180
  • 175
  • 164
MissingStep
1

Start at 4. Follow the chain: ÷2, ÷2, +2, ×3, +2. What is the result after step 5?

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Answer: 11

StartNumber
4
Steps
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":2}
  • {"op":"+","value":2}
  • {"op":"\u00d7","value":3}
  • {"op":"+","value":2}
Values
  • 4
  • 2
  • 1
  • 3
  • 9
  • 11
MissingStep
4

Start at 8. Follow the chain: ×4, +6, -9, ×3, ÷3. What is the result after step 2?

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Answer: 38

StartNumber
8
Steps
  • {"op":"\u00d7","value":4}
  • {"op":"+","value":6}
  • {"op":"-","value":9}
  • {"op":"\u00d7","value":3}
  • {"op":"\u00f7","value":3}
Values
  • 8
  • 32
  • 38
  • 29
  • 87
  • 29
MissingStep
1

Start at 18. Follow the chain: -12, ÷3, ×2, ×4, ×5. What is the result after step 2?

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Answer: 2

StartNumber
18
Steps
  • {"op":"-","value":12}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00d7","value":4}
  • {"op":"\u00d7","value":5}
Values
  • 18
  • 6
  • 2
  • 4
  • 16
  • 80
MissingStep
1

Start at 30. Follow the chain: ÷5, ×3, -15, +17, +1. What is the result after step 2?

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Answer: 18

StartNumber
30
Steps
  • {"op":"\u00f7","value":5}
  • {"op":"\u00d7","value":3}
  • {"op":"-","value":15}
  • {"op":"+","value":17}
  • {"op":"+","value":1}
Values
  • 30
  • 6
  • 18
  • 3
  • 20
  • 21
MissingStep
1

Start at 42. Follow the chain: ×2, -15, ÷3, -10, +8. What is the result after step 1?

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Answer: 84

StartNumber
42
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":15}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":10}
  • {"op":"+","value":8}
Values
  • 42
  • 84
  • 69
  • 23
  • 13
  • 21
MissingStep
0

Start at 43. Follow the chain: -12, -10, ÷7, -1, -1. What is the result after step 1?

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Answer: 31

StartNumber
43
Steps
  • {"op":"-","value":12}
  • {"op":"-","value":10}
  • {"op":"\u00f7","value":7}
  • {"op":"-","value":1}
  • {"op":"-","value":1}
Values
  • 43
  • 31
  • 21
  • 3
  • 2
  • 1
MissingStep
0

Start at 16. Follow the chain: +11, ÷3, -5, +17, -20. What is the result after step 1?

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Answer: 27

StartNumber
16
Steps
  • {"op":"+","value":11}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":5}
  • {"op":"+","value":17}
  • {"op":"-","value":20}
Values
  • 16
  • 27
  • 9
  • 4
  • 21
  • 1
MissingStep
0