9999999999×9999999999+19999999999等于多少?写出计算过程

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9999999999×9999999999+19999999999等于多少?写出计算过程

9999999999×9999999999+19999999999等于多少?写出计算过程
9999999999×9999999999+19999999999等于多少?写出计算过程

9999999999×9999999999+19999999999等于多少?写出计算过程
9999999999*9999999999+1999999999=9999999999^2+9999999999*2+1
=(9999999999+1)^2
=10000000000^2
=10^20

10的20次方
9999999999*9999999999+19999999999=10^20

9999999999*9999999999+1999999999=9999999999^2+9999999999*2+1
=(9999999999+1)^2
=10000000000^2
=10^20