easy Set 56 Form Exercise

Number Chain: 10 → -6 → +7 → -2 → ?

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Answer: 9

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":6}
  • {"op":"+","operand":7}
  • {"op":"-","operand":2}
Difficulty
easy

Number Chain: 9 → -8 → +7 → +8 → ?

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Answer: 16

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

Number Chain: 1 → -1 → +3 → +7 → ?

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Answer: 10

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

Number Chain: 1 → +9 → +5 → -10 → ?

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Answer: 5

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":9}
  • {"op":"+","operand":5}
  • {"op":"-","operand":10}
Difficulty
easy

Number Chain: 2 → +10 → -5 → -6 → ?

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Answer: 1

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":10}
  • {"op":"-","operand":5}
  • {"op":"-","operand":6}
Difficulty
easy

Number Chain: 3 → +4 → -4 → +9 → ?

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Answer: 12

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

Number Chain: 8 → +7 → -3 → -9 → ?

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Answer: 3

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":7}
  • {"op":"-","operand":3}
  • {"op":"-","operand":9}
Difficulty
easy

Number Chain: 1 → -1 → -1 → +3 → ?

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Answer: 2

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