解答
解答
求解步骤
Represent the numbers with :
A.T.Q.:
流行的例子
What should be price before VAT of a pair of shoes for Rs 300 including a tax of 10%.72 is 90% of what is number?Pato is a year older than Jimmy.The sum of their ages is 29.How old are Pato and Jimmy?8 less than a number is no more than 14 and no less than 5nine times the reciprocal of a number equals 3 times the reciprocal of 4