expert Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [1, 8, 4]

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Answer: Row1[1]=21, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [1,8,4]
Base
  • 1
  • 8
  • 4
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 12] → [5, _, 4]

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Answer: Row3[2]=8, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [13,12]
  • [5,8,4]
Base
  • 5
  • 8
  • 4
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, _] → [8, 4, 7]

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Answer: Row2[1]=12, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [8,4,7]
Base
  • 8
  • 4
  • 7
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, 14] → [10, _, _]

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Answer: Row3[2]=7, Row3[3]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [17,14]
  • [10,7,7]
Base
  • 10
  • 7
  • 7
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":7}