问题
选择题
9×9+19=100 99×99+199=10000 999×999+1999=1000000 9999×9999+19999=?( )
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答案
9×9+19=100
99×99+199=10000
999×999+1999=1000000
9999×9999+19999=100000000.
故选:C.
9×9+19=100 99×99+199=10000 999×999+1999=1000000 9999×9999+19999=?( )
|
9×9+19=100
99×99+199=10000
999×999+1999=1000000
9999×9999+19999=100000000.
故选:C.