"四百除以170"...四百除以170
"470除以480"...470除以480
"460除以四百"...460除以四百
"四百除以70等于几"...四百除以70等于几
"470除以四十"...470除以四十
"4700除以400等于几"...4700除以400等于几
"470除以8≈几,答案是什么"...470除以8≈几,答案是什么
"450除以七百"...450除以七百
"470除以4"...470除以4
"四百除以79"...四百除以79