解答
解答
求解步骤
Given:
给定 的圆半径:
给定 的圆直径:
流行的例子
Megan has run many marathons and keeps track of all of her finishing times. At her most recent race, she finished in 297 minutes. That is 10% longer than her previous race. What was Megan's finishing time at the previous race?Victoria opened a savings account and deposited 676.00 as principal. The account earns 6% interest, compounded annually. What is the balance after 6 years?find three consecutive odd numbers whose sum is fifty-sevenFind the area of the triangle with 顶点 P(3,-3,0),Q(1,2,2) and R(1,-2,5)If the quotient of a number and 4 is added to 1/2 , the result is 5/4 Find the number.