不难但我不会的简算题
来源:百度知道 编辑:UC知道 时间:2024/06/12 01:28:29
另:尊长辈,爱幼小,孝父母,尊教导……
99999*77778+33333*66666
=99999*77778+99999*22222
=99999*(77778+22222)
=99999*100000
=9999900000
99999*77778+33333*66666
=99999*(77777+1)+11111*3*11111*6
=99999*77777+99999+11111^2*18
=11111*9*11111*7+11111*9+11111^2*18
=11111^2*9*7+11111*9+11111^2*9*2
=11111^2*9*7+11111^2*9*2+11111*9
=11111^2*9*(7+2)+11111*9
=11111^2*9^2+11111*9
=11111*9*(11111*9+1)
=99999*(99999+1)
=99999*100000
=9999900000.
99999*77778+33333*66666
=33333*3*77778+33333*22222*3
就是把99999分解成66666*3
66666分解成22222*3
=33333*3*(77778+22222)
=99999*100000
=9999900000
99999*77778+33333*66666
=9*11111*(7*11111+1)+3*11111*6*11111
=63*11111^2+9*11111+18*11111^2
=81*11111^2+9*11111
=(9*11111)^2+9*11111
=9*11111*(99999+1)
=9999900000
99999乘77778+33333乘66666
=99999乘77778+(33333*3)乘(66666/3)
=99999乘77778+99999乘22222
=99999乘(77778+22222)
99999*77778+33333