A number is divided by 6. Then 7 is added to the divisor. After dividing by 4, the result is 4. What is the number?
需要详细的解释,和速度要快,急!!!!
A number is divided by 6. Then 7 is added to the divisor. After dividing by 4, the result is 4. What is the number?
需要详细的解释,和速度要快,急!!!!
设这个数为x,则
(x/6+7)/4=4
x=54
满意了吗?呵呵