六下数学公式简介：Shangxu's clone said: This is originally the lost artifact of our family, why can't it be in my hands? It seems that you know its edge. Don't be scratched by its edge, because there is nothing it can't cut.
Shangxu's clone said: This is originally the lost artifact of our family, why can't it be in my hands? It seems that you know its edge. Don't be scratched by its edge, because there is nothing it can't cut.
