expert Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [4, _, 3]

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Answer: Row2[2]=12, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [13,12]
  • [4,9,3]
Base
  • 4
  • 9
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [_, 5, 8]

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Answer: Row2[2]=13, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [12,13]
  • [7,5,8]
Base
  • 7
  • 5
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [10, 2, 10]

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Answer: Row2[2]=12, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [12,12]
  • [10,2,10]
Base
  • 10
  • 2
  • 10
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [17, _] → [9, _, 3]

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Answer: Row3[2]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [17,11]
  • [9,8,3]
Base
  • 9
  • 8
  • 3
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":11}