hard Set 9 Form Exercise

Start at 20. Follow the path: ÷5, ÷2, +19, -19. What is the final answer?

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Answer: 2

StartValue
20
Steps
  • {"op":"\u00f7","value":5,"result":4}
  • {"op":"\u00f7","value":2,"result":2}
  • {"op":"+","value":19,"result":21}
  • {"op":"-","value":19,"result":2}
Forks
  • {"correct":4,"wrong":7,"options":[7,4],"correctIndex":1,"op":"\u00f7","value":5}
  • {"correct":2,"wrong":4,"options":[2,4],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":21,"wrong":17,"options":[21,17],"correctIndex":0,"op":"+","value":19}
  • {"correct":2,"wrong":1,"options":[1,2],"correctIndex":1,"op":"-","value":19}

Start at 31. Follow the path: ×2, -15, ×4, ÷2. What is the final answer?

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Answer: 94

StartValue
31
Steps
  • {"op":"\u00d7","value":2,"result":62}
  • {"op":"-","value":15,"result":47}
  • {"op":"\u00d7","value":4,"result":188}
  • {"op":"\u00f7","value":2,"result":94}
Forks
  • {"correct":62,"wrong":63,"options":[62,63],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":47,"wrong":50,"options":[50,47],"correctIndex":1,"op":"-","value":15}
  • {"correct":188,"wrong":184,"options":[184,188],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":94,"wrong":90,"options":[90,94],"correctIndex":1,"op":"\u00f7","value":2}

Start at 34. Follow the path: +1, -8, +4, +12. What is the final answer?

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Answer: 43

StartValue
34
Steps
  • {"op":"+","value":1,"result":35}
  • {"op":"-","value":8,"result":27}
  • {"op":"+","value":4,"result":31}
  • {"op":"+","value":12,"result":43}
Forks
  • {"correct":35,"wrong":36,"options":[35,36],"correctIndex":0,"op":"+","value":1}
  • {"correct":27,"wrong":24,"options":[27,24],"correctIndex":0,"op":"-","value":8}
  • {"correct":31,"wrong":26,"options":[26,31],"correctIndex":1,"op":"+","value":4}
  • {"correct":43,"wrong":47,"options":[43,47],"correctIndex":0,"op":"+","value":12}

Start at 32. Follow the path: -5, ×3, +11, -19. What is the final answer?

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Answer: 73

StartValue
32
Steps
  • {"op":"-","value":5,"result":27}
  • {"op":"\u00d7","value":3,"result":81}
  • {"op":"+","value":11,"result":92}
  • {"op":"-","value":19,"result":73}
Forks
  • {"correct":27,"wrong":32,"options":[27,32],"correctIndex":0,"op":"-","value":5}
  • {"correct":81,"wrong":83,"options":[83,81],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":92,"wrong":95,"options":[92,95],"correctIndex":0,"op":"+","value":11}
  • {"correct":73,"wrong":68,"options":[68,73],"correctIndex":1,"op":"-","value":19}

Start at 25. Follow the path: -12, +3, +18, +5. What is the final answer?

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Answer: 39

StartValue
25
Steps
  • {"op":"-","value":12,"result":13}
  • {"op":"+","value":3,"result":16}
  • {"op":"+","value":18,"result":34}
  • {"op":"+","value":5,"result":39}
Forks
  • {"correct":13,"wrong":11,"options":[13,11],"correctIndex":0,"op":"-","value":12}
  • {"correct":16,"wrong":13,"options":[13,16],"correctIndex":1,"op":"+","value":3}
  • {"correct":34,"wrong":29,"options":[34,29],"correctIndex":0,"op":"+","value":18}
  • {"correct":39,"wrong":38,"options":[39,38],"correctIndex":0,"op":"+","value":5}

Start at 28. Follow the path: ×3, ÷2, +2, ÷2. What is the final answer?

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Answer: 22

StartValue
28
Steps
  • {"op":"\u00d7","value":3,"result":84}
  • {"op":"\u00f7","value":2,"result":42}
  • {"op":"+","value":2,"result":44}
  • {"op":"\u00f7","value":2,"result":22}
Forks
  • {"correct":84,"wrong":81,"options":[84,81],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":42,"wrong":44,"options":[44,42],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":44,"wrong":45,"options":[44,45],"correctIndex":0,"op":"+","value":2}
  • {"correct":22,"wrong":17,"options":[17,22],"correctIndex":1,"op":"\u00f7","value":2}

Start at 35. Follow the path: ×4, +7, ÷3, +7. What is the final answer?

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Answer: 56

StartValue
35
Steps
  • {"op":"\u00d7","value":4,"result":140}
  • {"op":"+","value":7,"result":147}
  • {"op":"\u00f7","value":3,"result":49}
  • {"op":"+","value":7,"result":56}
Forks
  • {"correct":140,"wrong":139,"options":[139,140],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":147,"wrong":146,"options":[146,147],"correctIndex":1,"op":"+","value":7}
  • {"correct":49,"wrong":48,"options":[48,49],"correctIndex":1,"op":"\u00f7","value":3}
  • {"correct":56,"wrong":58,"options":[58,56],"correctIndex":1,"op":"+","value":7}

Start at 10. Follow the path: -6, +18, ×2, ÷4. What is the final answer?

Show answer

Answer: 11

StartValue
10
Steps
  • {"op":"-","value":6,"result":4}
  • {"op":"+","value":18,"result":22}
  • {"op":"\u00d7","value":2,"result":44}
  • {"op":"\u00f7","value":4,"result":11}
Forks
  • {"correct":4,"wrong":9,"options":[9,4],"correctIndex":1,"op":"-","value":6}
  • {"correct":22,"wrong":24,"options":[22,24],"correctIndex":0,"op":"+","value":18}
  • {"correct":44,"wrong":47,"options":[44,47],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":11,"wrong":15,"options":[11,15],"correctIndex":0,"op":"\u00f7","value":4}