436-137+164-263怎样算最简便?
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436-137+164-263怎样算最简便?
436-137+164-263
=436+164-(137+263)
=600-400
=200
(436+164)-(137+263)=600-400=200
436-137+164-263怎样算最简便?
436-137+164-263
=436+164-(137+263)
=600-400
=200
(436+164)-(137+263)=600-400=200