Lời Giải
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The sum of 4 consecutive integers is 42. What is the value of the least integer?Four times a number is equal to the number increased by 27 . Find the number.one number is 3 less than 9 times the other. The sum of the two numbers is 67.The trung bình temperature this summer was 24° C. If the trung bình temperature decreased by 8% from last summer, what was the trung bình temperature last year?The đường kính of a circle is 8 in. Find its area in terms of pipi.