easy 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): [9] → [_, 5] → [2, _, 3]

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Answer: Row3[2]=2, Row2[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [9]
  • [4,5]
  • [2,2,3]
Base
  • 2
  • 2
  • 3
TopValue
9
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [5, 4, 2]

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Answer: Row2[2]=6, Row1[1]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [5,4,2]
Base
  • 5
  • 4
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [4, _] → [1, _, 10]

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Answer: Row3[2]=3, Row2[2]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [4,13]
  • [1,3,10]
Base
  • 1
  • 3
  • 10
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [15, _] → [10, 5, _]

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Answer: Row2[2]=9, Row3[3]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [15,9]
  • [10,5,4]
Base
  • 10
  • 5
  • 4
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":2,"v":4}