解答
解答
求解步骤
Represent the numbers with :
A.T.Q.:
解
代入
代入
流行的例子
85% of a number is 1600Four times a number.Eunice is 16 years older than her sister.In 4 years time,Eunice will be three times as old as her sister.What are their current agesIf two fair dice are rolled, find the probability of a sum of 6 given that the roll is a ”double”The 周长 of a circle is 45.216 feet. What is the circle's diameter?