expert Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 2] → [8, _, 1]

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Answer: Row2[1]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [9,2]
  • [8,1,1]
Base
  • 8
  • 1
  • 1
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [8, 2, 4]

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Answer: Row2[2]=6, Row1[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [10,6]
  • [8,2,4]
Base
  • 8
  • 2
  • 4
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":0,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [7, 3, 4]

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Answer: Row2[1]=10, Row1[1]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [10,7]
  • [7,3,4]
Base
  • 7
  • 3
  • 4
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 14] → [1, _, 7]

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Answer: Row2[1]=8, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [8,14]
  • [1,7,7]
Base
  • 1
  • 7
  • 7
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":7}