发布网友 发布时间:2024-10-23 18:23
共5个回答
热心网友 时间:2024-11-01 19:48
19999+9999✘9999怎样简便
=10000+9999+9999*9999
=10000+9999*(1+9999)
=10000+9999*10000
=10000*(1+9999)
=10000*10000
=100000000
热心网友 时间:2024-11-01 19:48
19999+(10000-1)×9999
19999+99990000-9999
10000+99990000
100000000
热心网友 时间:2024-11-01 19:49
=10000+9999+9999*9999
=10000+(9999+1)*9999
=10000+99990000
=100000000
热心网友 时间:2024-11-01 19:49
1+9999×2+9999×9999
热心网友 时间:2024-11-01 19:50
19999+9999*9999= 100000000
19999+9999*9999
=19999+(10000-1)(1000-1)
=19999+100000000-200000+1
=100000000