easy Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [8, 12] → [_, 3, _]

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Answer: Row3[3]=9, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [8,12]
  • [5,3,9]
Base
  • 5
  • 3
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"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): [_] → [18, 18] → [_, 10, 8]

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Answer: Row3[1]=8, Row1[1]=36

SubType
number-pyramid
Difficulty
easy
Levels
  • [36]
  • [18,18]
  • [8,10,8]
Base
  • 8
  • 10
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, 7] → [_, 3, _]

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Answer: Row3[3]=4, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [_] → [_, 7] → [10, 5, 2]

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Answer: Row2[1]=15, Row1[1]=22

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [15,7]
  • [10,5,2]
Base
  • 10
  • 5
  • 2
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":0,"c":0,"v":22}