
333X334十222X999简便方法计算
2个回答
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列式为:
333x334+222x999
=333x334+222x3x333
=333x334+666x333
=333x(334+666)
=333x1000
=333000
333x334+222x999
=333x334+222x3x333
=333x334+666x333
=333x(334+666)
=333x1000
=333000
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