5/9×6/9 =(5×6)/(9×9) =30/81 =10/27等于27分之10。
5/9×6/9=5/9×2/3=10/27
5/9×6/9=30/81=10/27
5/9×6/9=5/9×2/3=10/27希望能帮到你
