666*222+667*444简便计算 15
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1. 666X222+667X444 2. 666X222+667X444
=333X444+667X444 =666X222+1334X222
=(333+667)X444 =(666+1334)X222
=1000X444 =2000X222
==444000 =444000
=333X444+667X444 =666X222+1334X222
=(333+667)X444 =(666+1334)X222
=1000X444 =2000X222
==444000 =444000
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展开全部
666X222+667X444
=333X444+667X444
=(333+667)X444
=1000X444
=444000
=333X444+667X444
=(333+667)X444
=1000X444
=444000
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已踩过<
评论
收起
你对这个回答的评价是?
展开全部
666X222+667X444
=333X444+667X444
=(333+667)X444
=1000X444
=444000
=333X444+667X444
=(333+667)X444
=1000X444
=444000
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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