medium Set 32 Form Exercise

Number Chain: 10 → +8 → +6 → +3 → -9 → ?

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Answer: 18

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":8}
  • {"op":"+","operand":6}
  • {"op":"+","operand":3}
  • {"op":"-","operand":9}
Difficulty
medium

Number Chain: 9 → x2 → +6 → +4 → +4 → ?

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Answer: 32

SubType
number-chain
Start
9
Steps
  • {"op":"x","operand":2}
  • {"op":"+","operand":6}
  • {"op":"+","operand":4}
  • {"op":"+","operand":4}
Difficulty
medium

Number Chain: 4 → -3 → +1 → x5 → +8 → ?

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Answer: 18

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":3}
  • {"op":"+","operand":1}
  • {"op":"x","operand":5}
  • {"op":"+","operand":8}
Difficulty
medium

Number Chain: 9 → x4 → x2 → -4 → +3 → ?

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Answer: 71

SubType
number-chain
Start
9
Steps
  • {"op":"x","operand":4}
  • {"op":"x","operand":2}
  • {"op":"-","operand":4}
  • {"op":"+","operand":3}
Difficulty
medium

Number Chain: 5 → +5 → x3 → -22 → x2 → ?

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Answer: 16

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":5}
  • {"op":"x","operand":3}
  • {"op":"-","operand":22}
  • {"op":"x","operand":2}
Difficulty
medium

Number Chain: 6 → +7 → x5 → x4 → x5 → ?

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Answer: 1300

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":7}
  • {"op":"x","operand":5}
  • {"op":"x","operand":4}
  • {"op":"x","operand":5}
Difficulty
medium

Number Chain: 4 → +1 → +9 → x4 → -6 → ?

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Answer: 50

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":1}
  • {"op":"+","operand":9}
  • {"op":"x","operand":4}
  • {"op":"-","operand":6}
Difficulty
medium

Number Chain: 10 → x4 → x5 → x2 → -59 → ?

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Answer: 341

SubType
number-chain
Start
10
Steps
  • {"op":"x","operand":4}
  • {"op":"x","operand":5}
  • {"op":"x","operand":2}
  • {"op":"-","operand":59}
Difficulty
medium