A simple and difficult mathematical logic problem in the fourth grade of primary school - Training Enrollment Network

A simple and difficult mathematical logic problem in the fourth grade of primary school

999X4+333X88

=333X3X4+333X88

=333X( 12+88)

=333X 100

=33300

2009×2008-2008×2007-2008

=2008(2009-2007- 1)

=2008

Mainly to extract some male * * *

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