19999*9999+19999等于多少
问题描述:
19999*9999+19999等于多少
答
200009998
答
19999*9999+19999
=19999*(10000-1)+19999
=199990000-19999+19999
=199990000
答
19999*9999+19999
=19999*(9999+1)
=19999*10000
=199990000