expert Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [9, 10] → [8, _, _]

Show answer

Answer: Row3[2]=1, Row3[3]=9

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [2, 6, 7]

Show answer

Answer: Row2[1]=8, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [8,13]
  • [2,6,7]
Base
  • 2
  • 6
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"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): [36] → [_, 17] → [10, _, 8]

Show answer

Answer: Row3[2]=9, Row2[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [36]
  • [19,17]
  • [10,9,8]
Base
  • 10
  • 9
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, _] → [8, _, 7]

Show answer

Answer: Row3[2]=6, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [14,13]
  • [8,6,7]
Base
  • 8
  • 6
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":13}