easy Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, _] → [7, 1, 9]

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Answer: Row2[2]=10, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [8,10]
  • [7,1,9]
Base
  • 7
  • 1
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [4, _, 1]

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Answer: Row3[2]=5, Row2[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [4,5,1]
Base
  • 4
  • 5
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"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): [23] → [_, _] → [3, 9, 2]

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Answer: Row2[2]=11, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [12,11]
  • [3,9,2]
Base
  • 3
  • 9
  • 2
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"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): [22] → [_, _] → [10, 5, 2]

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Answer: Row2[2]=7, Row2[1]=15

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