hard Set 44 Form Exercise

Number Chain: 11 → x5 → +7 → -35 → x4 → +5 → ?

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Answer: 113

SubType
number-chain
Start
11
Steps
  • {"op":"x","operand":5}
  • {"op":"+","operand":7}
  • {"op":"-","operand":35}
  • {"op":"x","operand":4}
  • {"op":"+","operand":5}
Difficulty
hard

Number Chain: 1 → +1 → +1 → +8 → -3 → -2 → ?

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Answer: 6

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":1}
  • {"op":"+","operand":1}
  • {"op":"+","operand":8}
  • {"op":"-","operand":3}
  • {"op":"-","operand":2}
Difficulty
hard

Number Chain: 1 → +4 → -3 → +10 → +9 → -3 → ?

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Answer: 18

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":4}
  • {"op":"-","operand":3}
  • {"op":"+","operand":10}
  • {"op":"+","operand":9}
  • {"op":"-","operand":3}
Difficulty
hard

Number Chain: 9 → x3 → x3 → +4 → +11 → -43 → ?

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Answer: 53

SubType
number-chain
Start
9
Steps
  • {"op":"x","operand":3}
  • {"op":"x","operand":3}
  • {"op":"+","operand":4}
  • {"op":"+","operand":11}
  • {"op":"-","operand":43}
Difficulty
hard

Number Chain: 12 → -5 → x4 → +11 → -26 → x3 → ?

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Answer: 39

SubType
number-chain
Start
12
Steps
  • {"op":"-","operand":5}
  • {"op":"x","operand":4}
  • {"op":"+","operand":11}
  • {"op":"-","operand":26}
  • {"op":"x","operand":3}
Difficulty
hard

Number Chain: 2 → -1 → x3 → x5 → -14 → -1 → ?

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"x","operand":3}
  • {"op":"x","operand":5}
  • {"op":"-","operand":14}
  • {"op":"-","operand":1}
Difficulty
hard

Number Chain: 5 → +2 → +10 → x2 → +11 → +3 → ?

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Answer: 48

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":2}
  • {"op":"+","operand":10}
  • {"op":"x","operand":2}
  • {"op":"+","operand":11}
  • {"op":"+","operand":3}
Difficulty
hard

Number Chain: 7 → +6 → +6 → x2 → +8 → +9 → ?

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Answer: 55

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":6}
  • {"op":"x","operand":2}
  • {"op":"+","operand":8}
  • {"op":"+","operand":9}
Difficulty
hard