15^2=225=100X1X(1+1)+25,25^2=625=100X2X(2+1)+25,设n是正整数,用含n的代数式表示上述算式的规律

2024-11-30 04:26:23
推荐回答(2个)
回答1:

(10n+5)^2=100n(n+1)+25

回答2:

(10n+5)^2=100n(n+1)+25