672-36+34怎样简便计算
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672-36+34怎样简便计算
672-36+34怎样简便计算
672-36+34怎样简便计算
672-36+34
=672-(36-34)
=672-2
=670
672-(36-34)=672-2=670
672-(36-34)=672-2=670
672-36+34
=672-(36-34)
=672-2
=670
672-36+34怎样简便计算
672-36+34怎样简便计算
672-36+34怎样简便计算
672-36+34
=672-(36-34)
=672-2
=670
672-(36-34)=672-2=670
672-(36-34)=672-2=670
672-36+34
=672-(36-34)
=672-2
=670