记心里哦，你好：被除数+除数＝94.77-5.1＝89.67因为商是5.1故被除数是除数的5.1倍，则89.67＝5.1倍的除数+除数＝6.1倍的除数，解得除数＝14.7，则被除数为14.7*5.1＝。74.97
