expert Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 10] → [_, 7, 3]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [17,10]
  • [10,7,3]
Base
  • 10
  • 7
  • 3
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [_, 8, 4]

Show answer

Answer: Row2[2]=12, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [17,12]
  • [9,8,4]
Base
  • 9
  • 8
  • 4
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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, 7] → [_, 6, 1]

Show answer

Answer: Row3[1]=1, Row1[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [7,7]
  • [1,6,1]
Base
  • 1
  • 6
  • 1
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 8] → [6, 5, _]

Show answer

Answer: Row2[1]=11, Row3[3]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [11,8]
  • [6,5,3]
Base
  • 6
  • 5
  • 3
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":2,"v":3}