3×9=27,93×99=9207,993×999=992007,9993×9999=99920007,99…93(10个9)×99…9(11个9)=( )

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3×9=27,93×99=9207,993×999=992007,9993×9999=99920007,99…93(10个9)×99…9(11个9)=( )
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3×9=27,93×99=9207,993×999=992007,9993×9999=99920007,99…93(10个9)×99…9(11个9)=( )
3×9=27,93×99=9207,993×999=992007,9993×9999=99920007,99…93(10个9)×99…9(11个9)=( )

3×9=27,93×99=9207,993×999=992007,9993×9999=99920007,99…93(10个9)×99…9(11个9)=( )
99(10个9)200(10个0)7