解答
解答
求解步骤
Represent the number with
A.T.Q.:
求解
流行的例子
a goat is tied to one corner of a square field of side 8m by a rope 3m long. Find the 面积 it can graze? Also, find the 面积 the goat cannot graze.Four times a number is 60 less than 6 times the number. Find the number.Eight times the number and 9 is 49. Find the number.A certain amount of money was invested for one year at a rate of 7.5%. At the end of that year it had earned \$675. How much money was invested?The radius of a circle is 9 ft. Find its 周长 in terms of pipi