UC知道99999乘以999999
来源：百度知道 编辑：UC知道 时间：2024/06/22 19:37:07
越快越好！
999999*1000000－999999
＝999999000000－999999
＝999998000001
99999*99999
=99999*(100000-1)
=999999*1000000－999999
＝999999000000－999999
＝999998000001
99999*999999
=(100000-1)*999999
=999999*100000-999999
=99999900000-1000000+1
=99998900000+1
=99998900001
都是些傻儿,讲速度,上面的都是些人材啦!!!
999999×999999
=(1000000-1)×(1000000-1)
=1000000×1000000-2×1000000+1
=
=99999*(1000000-1)
=99999*1000000-99999
=999999000000－999999
＝999998000001
99999*99999
=99999*(100000-1)
=999999*1000000－999999
＝999999000000－999999
＝999998000001