99999x77778+33333x66666用简便方法计算

2024-12-04 22:23:49
推荐回答(5个)
回答1:

99999+77778+33333X66666
错了,第一个是×
99999×77778+33333×66666
=99999×77778+33333×3×22222
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000
=9999900000 不是我原创的。百度一下第一个就是。

回答2:

99999x77778+33333x66666=99999x77778+33333x3*22222

=99999x77778+99999*22222=99999*(77778+22222)=99999*100000=9999900000

回答3:

=99999*77778+33333*22222*3
=99999*77778+99999*22222
=99999*(77778+22222)
=99999*100000
=9999900000

回答4:

99999x77778+33333x66666
=9x11111x2x38889+3x11111x6x11111
=2x9x11111x38889+3x6x11111x11111
=18x11111x38889+18x11111x11111
=18x11111x(38889+11111)
=18x50000x11111
=9999900000

回答5:

99999x77778+33333X66666
=99999X77778+(33333X3)X22222
=99999X77778+99999X22222
=99999X(77778+22222)
=99999X100000
=9999900000