expert Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 8] → [4, _, 7]

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Answer: Row3[2]=1, Row2[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [1, 5, 10]

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Answer: Row2[1]=6, Row2[2]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [6,15]
  • [1,5,10]
Base
  • 1
  • 5
  • 10
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 13] → [1, _, 4]

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Answer: Row1[1]=23, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [10,13]
  • [1,9,4]
Base
  • 1
  • 9
  • 4
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"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): [30] → [13, _] → [6, _, 10]

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Answer: Row2[2]=17, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [13,17]
  • [6,7,10]
Base
  • 6
  • 7
  • 10
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":7}