easy Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [2, 7, 1]

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Answer: Row2[1]=9, Row2[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [9,8]
  • [2,7,1]
Base
  • 2
  • 7
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [10, _] → [7, _, 10]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [10,13]
  • [7,3,10]
Base
  • 7
  • 3
  • 10
TopValue
23
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): [17] → [_, 11] → [_, 4, 7]

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Answer: Row3[1]=2, Row2[1]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [6,11]
  • [2,4,7]
Base
  • 2
  • 4
  • 7
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [3, 9, 1]

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Answer: Row1[1]=22, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":0,"v":12}