230 + 230 + 230 + 230
下面是答案：All four terms are identical therefore we have 4 (230).But 4 = 22,and so we can write 22.230 Which is equivalent to 232
完全不能理解啊,为什么4=22?为什么又可以写成22.230?为什么本来等于920的一道题最后却等于232?