1+3=4=2² 1+3+5=9=3²...找出规律,猜想1+3+5+7+9+...+(2n-1)+(2n+1)=写出过程和规律
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1+3=4=2² 1+3+5=9=3²...找出规律,猜想1+3+5+7+9+...+(2n-1)+(2n+1)=写出过程和规律
1+3=4=2² 1+3+5=9=3²...找出规律,猜想1+3+5+7+9+...+(2n-1)+(2n+1)=
写出过程和规律
1+3=4=2² 1+3+5=9=3²...找出规律,猜想1+3+5+7+9+...+(2n-1)+(2n+1)=写出过程和规律
规律:数字个数的平方
1+3+5+7+9+...+(2n-1)+(2n+1)=(n+1)²