1/3等于0。 循环1/3乘3等1而0。3333循环 乘3等0。99999循环 所以1/3乘3不等于0。3333循环 矛盾？：？？？？？？？？？？？
热心网友
这里考虑到一个微小的差别实际上你是可以不把1/3算开的你想0.9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999........跟1基本就没差别了不知道你有没有理解
热心网友
因为1=0.999999循环