21/()=()/75=36/()=5/3=()÷()
问题描述:
21/()=()/75=36/()=5/3=()÷()
答
21/(12.6)=(125)/75=36/(21.6)=5/3=(5)÷(3)
21/()=()/75=36/()=5/3=()÷()
21/(12.6)=(125)/75=36/(21.6)=5/3=(5)÷(3)