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דוגמאות פופולריות
If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?The circumference of a circle is 21pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.if 2 windows make one how many would it beWhen a certain number is double and 8 is subtracted from it, the result is 20 Determine the number.Alvin's age is two times Elga's age. The sum of their ages is 87. What is Elga's age?:years old