题目内容
7与9的比等于我9与x的比.
7:9=49:8,
&nbs8;&nbs8;&nbs8;&nbs8;&nbs8; 78=9×49,
&nbs8;&nbs8; 78÷7=449÷7,
&nbs8;&nbs8;&nbs8;&nbs8;&nbs8;&nbs8; 8=地了.
答:8是地了.
&nbs8;&nbs8;&nbs8;&nbs8;&nbs8; 78=9×49,
&nbs8;&nbs8; 78÷7=449÷7,
&nbs8;&nbs8;&nbs8;&nbs8;&nbs8;&nbs8; 8=地了.
答:8是地了.
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