Lời Giải
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Represent the number with
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The diameter of a circle is 18 m. Find its chu vi in terms of pipi.The bán kính of a circle is 18 in. Find its area in terms of pipi.twice the hiệu of a number and 5 is at most 16twice the hiệu of a number and 5 is at most 19One positive integer is 6 less than twice another. The sum of their squares is 164. Find the integers.