364-82+18用简便计算怎么算?

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364-82+18用简便计算怎么算?

364-82+18用简便计算怎么算?
364-82+18用简便计算怎么算?

364-82+18用简便计算怎么算?
364-82+18
=364-(82-18)
=364-64
= 300

先+18 得382 然后就OK了

364-82+18
=364-(82-18)
=364-64
= 300

用计算机最简便

=364-(80+2)+(20-2)
=364-80-2+20-2
=(364-2-2)-(80-20)
=360-60
=300