More articles on this subject
Puzzle with Eder: Which numbers are we looking for?: Tricky sequence of numbers - | which numbers are we looking for?
spektrum.de/raetsel/welche-zahlen-sind-gesucht/2085291
Puzzle with Eder: Which numbers are we looking for?
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Puzzles with Eder: How long are the edges?: How can the length of the two edges be determined?
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Puzzles with Eder: How long are the edges?
Which numbers are we looking for?: How can the value of a and b be determined?
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Which numbers are we looking for?
How long is the radius?: How can the length of the radius be determined?
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How long is the radius?
How are the doors labeled?: The incomplete Advent calendar - | how should the numbers be distributed?
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How are the doors labeled?
What numbers are hidden behind the two question marks?: What numbers do the two question marks in the pentagon represent?
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What numbers are hidden behind the two question marks?
Puzzles with Eder: What are the side lengths of the cube?: Dice numbers - | what is the natural number a?
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Puzzles with Eder: What are the side lengths of the cube?
Puzzles with Eder: Which numbers solve this problem?: Hidden addition – can you figure out these numbers?
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Puzzles with Eder: Which numbers solve this problem?
Puzzle with Eder: What do these numbers have in common?: What distinguishes these number triplets?
spektrum.de/raetsel/welche-gemeinsamkeit-haben-diese-zahlen/2085237
Puzzle with Eder: What do these numbers have in common?
Hemme's mathematical puzzle: Which numbers are we looking for?: What are the three natural numbers in the equation?
spektrum.de/raetsel/welche-zahlen-sind-gesucht/2266971
Hemme's mathematical puzzle: Which numbers are we looking for?
Puzzle with Eder: What do these numbers have in common?: Looking for commonality - | what property is it?
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Puzzle with Eder: What do these numbers have in common?
Puzzles with Eder: How can this area be calculated?: How big is the area of the yellow triangle?
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Puzzles with Eder: How can this area be calculated?
Puzzle with Eder: Is this statement true?: Just an assertion?
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Puzzle with Eder: Is this statement true?
Puzzles with Eder: How can the percentage be determined?: What proportion of the property does the swimming pool occupy?
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Puzzles with Eder: How can the percentage be determined?
Puzzle with Eder: How many natural numbers are in the equation?: Number wanted - | How many numbers are in the addition?
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Puzzle with Eder: How many natural numbers are in the equation?
Puzzle with Eder: What special thing do these numbers have in common?: What distinguishes these 15 three-digit natural numbers?
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Puzzle with Eder: What special thing do these numbers have in common?
Puzzle with Eder: What is the area of ​​this triangle?: How can the area of ​​the blue triangle be calculated?
spektrum.de/raetsel/welche-flaeche-hat-dieses-dreieck/2261848
Puzzle with Eder: What is the area of ​​this triangle?
Puzzle with Eder: Which number is hidden behind the question mark?: Which number is missing from this table of numbers?
spektrum.de/raetsel/welche-zahl-versteckt-sich-hinter-dem-fragezeichen/2230530
Puzzle with Eder: Which number is hidden behind the question mark?