expert Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 10] → [8, 9, _]

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Answer: Row1[1]=27, Row3[3]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [17,10]
  • [8,9,1]
Base
  • 8
  • 9
  • 1
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [3, _] → [_, 2, 10]

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Answer: Row3[1]=1, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [3,12]
  • [1,2,10]
Base
  • 1
  • 2
  • 10
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"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): [14] → [11, 3] → [_, 1, _]

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Answer: Row3[3]=2, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [11,3]
  • [10,1,2]
Base
  • 10
  • 1
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 10] → [_, 8, 2]

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Answer: Row3[1]=5, Row2[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [13,10]
  • [5,8,2]
Base
  • 5
  • 8
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":0,"v":13}