KIDS QUIZ
NUMBERS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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7
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4
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2
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5
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Detailed explanation-1: -To make 1, you can do 4 / 4 + 4-4. In fact, you can make all the numbers up to about 20 using only the basic arithmetic operations of addition, subtraction, multiplication, and division.
Detailed explanation-2: -The goal of the four fours problem is to find a mathematical expression for every integer from 0 to some maximum positive integer, using only common mathematical symbols and exactly four fours (no other digits are allowed). For example, zero is 44-44, one is 44/44, 2 is 4/4+4/4, 3 is (4+4+4)/4, and so on.
Detailed explanation-3: -Four fours is a mathematical puzzle, the goal of which is to find the simplest mathematical expression for every whole number from 0 to some maximum, using only common mathematical symbols and the digit four. No other digit is allowed.