連續乘積和的等式. n是正整數. (n+1)n∏x=1x=n+1∏x=1x−n∏x=0x. (n+1)n+1∏x=2x=n+2∏x=2x−n+1∏x=1x. (n+1)n+2∏x=3x=n+3∏x=3x−n+2∏x=2x.
確定！ 回上一頁
