六年级寒假新时空p11动脑筋1.()/7X1/4=3/()2.()/7X3/()=()/28
问题描述:
六年级寒假新时空p11动脑筋
1.()/7X1/4=3/()
2.()/7X3/()=()/28
答
1.(3)(28)
2.(1)(4)(3)