easy Set 73 Form Exercise

Number Chain: 10 → -6 → +5 → -8 → ?

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Answer: 1

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":6}
  • {"op":"+","operand":5}
  • {"op":"-","operand":8}
Difficulty
easy

Number Chain: 7 → +3 → -6 → +1 → ?

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Answer: 5

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":3}
  • {"op":"-","operand":6}
  • {"op":"+","operand":1}
Difficulty
easy

Number Chain: 6 → +1 → +3 → -9 → ?

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Answer: 1

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":1}
  • {"op":"+","operand":3}
  • {"op":"-","operand":9}
Difficulty
easy

Number Chain: 8 → +5 → -10 → -1 → ?

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Answer: 2

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":5}
  • {"op":"-","operand":10}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 8 → +7 → -4 → +9 → ?

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Answer: 20

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":7}
  • {"op":"-","operand":4}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 9 → -5 → +6 → +7 → ?

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Answer: 17

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":5}
  • {"op":"+","operand":6}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 2 → +2 → +1 → -4 → ?

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Answer: 1

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

Number Chain: 10 → +8 → -7 → +10 → ?

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Answer: 21

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":7}
  • {"op":"+","operand":10}
Difficulty
easy