easy Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 10] → [2, 9, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [2,9,1]
Base
  • 2
  • 9
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 14] → [_, 7, 7]

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Answer: Row1[1]=26, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [12,14]
  • [5,7,7]
Base
  • 5
  • 7
  • 7
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"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): [_] → [17, _] → [8, 9, 8]

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Answer: Row2[2]=17, Row1[1]=34

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [17,17]
  • [8,9,8]
Base
  • 8
  • 9
  • 8
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [12, _] → [_, 6, 6]

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Answer: Row3[1]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [6,6,6]
Base
  • 6
  • 6
  • 6
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":12}