expert Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [15, _] → [5, 10, _]

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Answer: Row3[3]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [15,11]
  • [5,10,1]
Base
  • 5
  • 10
  • 1
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [13] → [5, _] → [3, 2, _]

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Answer: Row2[2]=8, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [5,8]
  • [3,2,6]
Base
  • 3
  • 2
  • 6
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [7, 4] → [4, _, _]

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Answer: Row3[3]=1, Row3[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [7,4]
  • [4,3,1]
Base
  • 4
  • 3
  • 1
TopValue
11
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [19, 12] → [_, 10, _]

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Answer: Row3[1]=9, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [19,12]
  • [9,10,2]
Base
  • 9
  • 10
  • 2
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":2}