Lời Giải
Lời Giải
Các bước giải pháp
Translate the problem into an equation:
Làm tròn đến hundredth gần nhất:
Ví dụ phổ biến
44% of a number is 88The chu vi of a circle is 9pi in. What is the area, in square inches? Express your answer in terms of pipi.negative four times a number is less than fiveThe sum of two numbers is 56 and their hiệu is 38 . Set up two equations by letting x and y be the two numbers.Use x as the larger of the 2 numbers.Sum equation:Thomas is 4 times as old as John. In 12 years' time Thomas will be twice as old as John. What are their present ages?