"780除以2点5"...780除以2点5

　"5750除以2点3等于几"...5750除以2点3等于几

　"8400除以2点5等于几"...8400除以2点5等于几

　"6730除以2点8等于几"...6730除以2点8等于几

　"7500除以2点5等于几"...7500除以2点5等于几

　"475点2除以80%等于几"...475点2除以80%等于几

　"7425除以2.7%等于几"...7425除以2.7%等于几

　"251200除以7点8等于几"...251200除以7点8等于几

　"475点2除以0.088等于几"...475点2除以0.088等于几

　"5652除以78点等于多少"...5652除以78点等于多少