expert Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [9, 8, 6]

Show answer

Answer: Row2[1]=17, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [17,14]
  • [9,8,6]
Base
  • 9
  • 8
  • 6
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [4, 8, _]

Show answer

Answer: Row3[3]=2, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [4,8,2]
Base
  • 4
  • 8
  • 2
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"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): [27] → [17, 10] → [8, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [17,10]
  • [8,9,1]
Base
  • 8
  • 9
  • 1
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, _] → [7, 8, 3]

Show answer

Answer: Row2[2]=11, Row2[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [15,11]
  • [7,8,3]
Base
  • 7
  • 8
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":15}