21/()=()/75=36/()=5/3=()÷()

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/02 03:51:12

21/()=()/75=36/()=5/3=()÷()

21/(12.6)=(125)/75=36/(21.6)=5/3=(5)÷(3)