解答
解答
求解步骤
Represent the numbers with :
A.T.Q.:
解
流行的例子
A is 28 years older than B. In 6 years, A will be three times as old as B. How old is A nowIf two dice are rolled, what is the probability of getting a sum of 9?the product of a number and 6 less than the number is 27. find the numberriley is r years old. his father is 28 years older than him and is also twice as old as him. an equation that represents this is33 times the sum of 88 times a number �x and 77 is equal to 45.45