"38除以八十"...38除以八十
"3800除以八十"...3800除以八十
"38除以8"...38除以8
"840除以38"...840除以38
"348除以八十"...348除以八十
"八百十八除以三"...八百十八除以三
"3800除以8等于几"...3800除以8等于几
"384除以八百"...384除以八百
"八百除以33"...八百除以33
"八百除以39"...八百除以39