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): [19] → [12, _] → [_, 3, 4]

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Answer: Row2[2]=7, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [_, 8, 1]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [10,9]
  • [2,8,1]
Base
  • 2
  • 8
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [4, 8, 4]

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Answer: Row1[1]=24, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [4,8,4]
Base
  • 4
  • 8
  • 4
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 10] → [3, _, 2]

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Answer: Row3[2]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [3,8,2]
Base
  • 3
  • 8
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":21}