easy Set 47 Form Exercise

Number Chain: 6 → +8 → +9 → -22 → ?

Show answer

Answer: 1

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":8}
  • {"op":"+","operand":9}
  • {"op":"-","operand":22}
Difficulty
easy

Number Chain: 9 → -8 → -1 → -1 → ?

Show answer

Answer: -1

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":8}
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 3 → -1 → -1 → -1 → ?

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

Number Chain: 6 → -5 → -1 → +10 → ?

Show answer

Answer: 10

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":5}
  • {"op":"-","operand":1}
  • {"op":"+","operand":10}
Difficulty
easy

Number Chain: 10 → -9 → +2 → +4 → ?

Show answer

Answer: 7

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":9}
  • {"op":"+","operand":2}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 6 → -2 → +6 → +1 → ?

Show answer

Answer: 11

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

Number Chain: 1 → +7 → -5 → +7 → ?

Show answer

Answer: 10

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

Number Chain: 1 → -1 → -1 → -1 → ?

Show answer

Answer: -2

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