easy Set 84 Form Exercise

Number Chain: 9 → -2 → -6 → -1 → ?

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":6}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 2 → +10 → -2 → -8 → ?

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Answer: 2

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":10}
  • {"op":"-","operand":2}
  • {"op":"-","operand":8}
Difficulty
easy

Number Chain: 6 → -3 → -2 → -1 → ?

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":3}
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 2 → -1 → +3 → -1 → ?

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Answer: 3

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

Number Chain: 1 → -1 → -1 → -1 → ?

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Answer: -2

SubType
number-chain
Start
1
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 7 → -6 → +9 → +3 → ?

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Answer: 13

SubType
number-chain
Start
7
Steps
  • {"op":"-","operand":6}
  • {"op":"+","operand":9}
  • {"op":"+","operand":3}
Difficulty
easy

Number Chain: 9 → +10 → -10 → +5 → ?

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Answer: 14

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":10}
  • {"op":"-","operand":10}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 4 → +6 → -9 → -1 → ?

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