hard Set 2 Form Exercise

Start at 9. Follow the chain: ÷3, +7, +18, +12, ÷2. What is the result after step 5?

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Answer: 20

StartNumber
9
Steps
  • {"op":"\u00f7","value":3}
  • {"op":"+","value":7}
  • {"op":"+","value":18}
  • {"op":"+","value":12}
  • {"op":"\u00f7","value":2}
Values
  • 9
  • 3
  • 10
  • 28
  • 40
  • 20
MissingStep
4

Start at 31. Follow the chain: +7, ×3, -16, ×2, -14. What is the result after step 3?

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Answer: 98

StartNumber
31
Steps
  • {"op":"+","value":7}
  • {"op":"\u00d7","value":3}
  • {"op":"-","value":16}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":14}
Values
  • 31
  • 38
  • 114
  • 98
  • 196
  • 182
MissingStep
2

Start at 8. Follow the chain: +13, +11, +20, ÷4, -8. What is the result after step 5?

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Answer: 5

StartNumber
8
Steps
  • {"op":"+","value":13}
  • {"op":"+","value":11}
  • {"op":"+","value":20}
  • {"op":"\u00f7","value":4}
  • {"op":"-","value":8}
Values
  • 8
  • 21
  • 32
  • 52
  • 13
  • 5
MissingStep
4

Start at 29. Follow the chain: +20, ÷7, +17, -1, -1. What is the result after step 5?

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Answer: 22

StartNumber
29
Steps
  • {"op":"+","value":20}
  • {"op":"\u00f7","value":7}
  • {"op":"+","value":17}
  • {"op":"-","value":1}
  • {"op":"-","value":1}
Values
  • 29
  • 49
  • 7
  • 24
  • 23
  • 22
MissingStep
4

Start at 15. Follow the chain: -7, -2, ÷6, +7, ÷8. What is the result after step 1?

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Answer: 8

StartNumber
15
Steps
  • {"op":"-","value":7}
  • {"op":"-","value":2}
  • {"op":"\u00f7","value":6}
  • {"op":"+","value":7}
  • {"op":"\u00f7","value":8}
Values
  • 15
  • 8
  • 6
  • 1
  • 8
  • 1
MissingStep
0

Start at 24. Follow the chain: +1, -15, ×3, +13, ×4. What is the result after step 3?

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Answer: 30

StartNumber
24
Steps
  • {"op":"+","value":1}
  • {"op":"-","value":15}
  • {"op":"\u00d7","value":3}
  • {"op":"+","value":13}
  • {"op":"\u00d7","value":4}
Values
  • 24
  • 25
  • 10
  • 30
  • 43
  • 172
MissingStep
2

Start at 10. Follow the chain: ÷5, -1, +15, ×2, ×4. What is the result after step 4?

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Answer: 32

StartNumber
10
Steps
  • {"op":"\u00f7","value":5}
  • {"op":"-","value":1}
  • {"op":"+","value":15}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00d7","value":4}
Values
  • 10
  • 2
  • 1
  • 16
  • 32
  • 128
MissingStep
3

Start at 48. Follow the chain: -15, -12, +16, ×5, +10. What is the result after step 2?

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Answer: 21

StartNumber
48
Steps
  • {"op":"-","value":15}
  • {"op":"-","value":12}
  • {"op":"+","value":16}
  • {"op":"\u00d7","value":5}
  • {"op":"+","value":10}
Values
  • 48
  • 33
  • 21
  • 37
  • 185
  • 195
MissingStep
1