Lời Giải
Lời Giải
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Ví dụ phổ biến
You deposit 100 in an investment account that earns 7.8% annual interest compounded monthly.What is the balance of the account after 6 years?Find the original price of a pair of shoes if the sale price is 56 after a 20 % discount.the sum of 3 times a number and 4 is 6 .The chu vi of a circle is 15pi ft. What is the area, in square feet? Express your answer in terms of pipi.A square piece of glass has a perimeter of 28 centimeters. How long is each side of the piece of glass?