102
714÷7=102
解:714÷7的商是( 102 ) ∵已知需求出714÷7的商是多少 X ÷ Y = (X×7) / (Y×7) = Z ∴714 ÷ 7 = 714 × 1/7 = 714/7 = (102×7)/7 = 102 答:714÷7的商是102