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): [_] → [12, _] → [7, 5, 10]

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Answer: Row1[1]=27, Row2[2]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [12,15]
  • [7,5,10]
Base
  • 7
  • 5
  • 10
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [14, 16] → [7, _, _]

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Answer: Row3[3]=9, Row3[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [14,16]
  • [7,7,9]
Base
  • 7
  • 7
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, _] → [9, 1, _]

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Answer: Row2[2]=8, Row3[3]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [10,8]
  • [9,1,7]
Base
  • 9
  • 1
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 12] → [_, 5, 7]

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Answer: Row1[1]=27, Row3[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [15,12]
  • [10,5,7]
Base
  • 10
  • 5
  • 7
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":0,"v":10}