{}+{}={}{}—{}={} {}*{}={} 1,2,3,4,5,6,7,8,9,0.
问题描述:
{}+{}={}{}—{}={} {}*{}={} 1,2,3,4,5,6,7,8,9,0.
答
〖1〗+〖7〗=〖8〗,〖9〗-〖6〗〖3〗,〖4〗x〖5〗=〖20〗
{}+{}={}{}—{}={} {}*{}={} 1,2,3,4,5,6,7,8,9,0.
〖1〗+〖7〗=〖8〗,〖9〗-〖6〗〖3〗,〖4〗x〖5〗=〖20〗