medium Set 96 Form Exercise

Number Chain: 3 → -2 → x4 → +8 → -6 → ?

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Answer: 6

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":2}
  • {"op":"x","operand":4}
  • {"op":"+","operand":8}
  • {"op":"-","operand":6}
Difficulty
medium

Number Chain: 1 → x2 → x4 → -1 → x2 → ?

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Answer: 14

SubType
number-chain
Start
1
Steps
  • {"op":"x","operand":2}
  • {"op":"x","operand":4}
  • {"op":"-","operand":1}
  • {"op":"x","operand":2}
Difficulty
medium

Number Chain: 7 → -3 → x2 → -7 → +1 → ?

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Answer: 2

SubType
number-chain
Start
7
Steps
  • {"op":"-","operand":3}
  • {"op":"x","operand":2}
  • {"op":"-","operand":7}
  • {"op":"+","operand":1}
Difficulty
medium

Number Chain: 9 → x4 → -10 → +9 → +4 → ?

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Answer: 39

SubType
number-chain
Start
9
Steps
  • {"op":"x","operand":4}
  • {"op":"-","operand":10}
  • {"op":"+","operand":9}
  • {"op":"+","operand":4}
Difficulty
medium

Number Chain: 1 → x5 → +4 → +7 → x5 → ?

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Answer: 80

SubType
number-chain
Start
1
Steps
  • {"op":"x","operand":5}
  • {"op":"+","operand":4}
  • {"op":"+","operand":7}
  • {"op":"x","operand":5}
Difficulty
medium

Number Chain: 1 → +5 → x5 → x3 → -75 → ?

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Answer: 15

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":5}
  • {"op":"x","operand":5}
  • {"op":"x","operand":3}
  • {"op":"-","operand":75}
Difficulty
medium

Number Chain: 9 → x4 → x2 → -69 → x3 → ?

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Answer: 9

SubType
number-chain
Start
9
Steps
  • {"op":"x","operand":4}
  • {"op":"x","operand":2}
  • {"op":"-","operand":69}
  • {"op":"x","operand":3}
Difficulty
medium

Number Chain: 4 → +6 → x5 → -28 → +8 → ?

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Answer: 30

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":6}
  • {"op":"x","operand":5}
  • {"op":"-","operand":28}
  • {"op":"+","operand":8}
Difficulty
medium