展开全部
①（2.3+4.6）×4.7
=6.9×4.7
=（7一0.1）×4.7
=7×4.7一0.1×4.7
=32.9一0.47
=32.43
=6.9×4.7
=（7一0.1）×4.7
=7×4.7一0.1×4.7
=32.9一0.47
=32.43
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展开全部
①（2.3+4.6）×4.7
=6.9×4.7
=（7一0.1）×4.7
=7×4.7一0.1×4.7
=32.9一0.47
=32.43
=6.9×4.7
=（7一0.1）×4.7
=7×4.7一0.1×4.7
=32.9一0.47
=32.43
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
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