Lời Giải
Lời Giải
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Represent the number with
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Twice the sum of a number and 9 is 8the sum of two numbers is 42. the second number is 2 more than the first numberThe diện tích of a square garden is: 200m^2 How long is the diagonal?The chu vi of a circle is 30.772 yards. What is the circle's area?find five consecutive even numbers whose sum is 30