一道初一数学题(找规律)15^2=1x(1+1)x100+5^2=25525^2=2x(2+1)x100+5^2=62535^2=3x(3+1)x100+5^2=1225……以此类推,第n个等式(n为正整数)为( )

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一道初一数学题(找规律)15^2=1x(1+1)x100+5^2=25525^2=2x(2+1)x100+5^2=62535^2=3x(3+1)x100+5^2=1225……以此类推,第n个等式(n为正整数)为(                              )
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一道初一数学题(找规律)15^2=1x(1+1)x100+5^2=25525^2=2x(2+1)x100+5^2=62535^2=3x(3+1)x100+5^2=1225……以此类推,第n个等式(n为正整数)为( )
一道初一数学题(找规律)
15^2=1x(1+1)x100+5^2=255
25^2=2x(2+1)x100+5^2=625
35^2=3x(3+1)x100+5^2=1225
……
以此类推,第n个等式(n为正整数)为( )

一道初一数学题(找规律)15^2=1x(1+1)x100+5^2=25525^2=2x(2+1)x100+5^2=62535^2=3x(3+1)x100+5^2=1225……以此类推,第n个等式(n为正整数)为( )
(10n+5)^2=n×(n+1)×100+5^2=100n^2+100n+25

(nx10+5)^2=nx(n+1)x100+5^2

以此类推,第n个等式(n为正整数)为( nx(n+1)x100+5^2 )