解答
解答
+1
间隔符号
求解步骤
的轴截距点X 截距Y 截距
的斜率:
的反函数:
的定义域
的值域:
流行的例子
Find three consecutive integers such that the sum of the first and half the third is 22 more than the second.What is the probability that the sum of the numbers coming up when rolling three dice is greater than 16?Joanne is 3 years older than Amy. Three times Joanne’s age is 15 years more than twice Amy’s age. How old are Joanne and Amy?Write and solve a proportion to: 30% of what number is 9the sum of two numbers is 68. the larger number is 16 more than the smaller number. What are the numbers?