해법
해법
솔루션 단계
Represent the numbers with :
A.T.Q.:
해결 :
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The sum of 7 times a number and 9 is 3 .The area of a circle is 49𝜋 square meters. What is the 원둘레?most possible consecutive integers that add up to exactly 2023Find the area of a circle of 원둘레 44cmUse the addition rule to find the probability of the following event: Obtaining a sum of 6 or doubles (same number on each die) when a pair of dice is rolled once. Express your answer as a decimal rounded to 1 decimal place.