362+56+144 怎样简便
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362+56+144 怎样简便
362+56+144 怎样简便
362+56+144 怎样简便
362+56+144
=362+(56+144)
=362+200
=562
362+56+144
=362+(56+144)
=362+200
=562
=362+(56+144)
=362+200
=562
362+56+144 =362+(56+144 )=362+200=562