8.32×99+8.31简便怎么算?
7个回答
展开全部
8.32×99+8.31
=8.32×99+8.32×1-0.01
=8.32×(99+1)-0.01
=832-0.01
=831.99
=8.32×99+8.32×1-0.01
=8.32×(99+1)-0.01
=832-0.01
=831.99
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展开全部
8.32X99+8.31
=(8.31+1)X99+8.31
=8.31X99+99+8.31
=8.31X99+8.31+99
=8.31X99+8.31X1+99
=8.31X(99+1)+99
=8.31X100+99
=831+99
=930
=(8.31+1)X99+8.31
=8.31X99+99+8.31
=8.31X99+8.31+99
=8.31X99+8.31X1+99
=8.31X(99+1)+99
=8.31X100+99
=831+99
=930
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展开全部
8.32×99+8.31
=8.32×99+8.32-0.01
=8.32×(99+1)-0.01
=8.32×100-0.01
=832-0.01
=831.99
=8.32×99+8.32-0.01
=8.32×(99+1)-0.01
=8.32×100-0.01
=832-0.01
=831.99
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已踩过<
评论
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你对这个回答的评价是?
展开全部
8.32×99+8.31
=8.32×100-0.01
=832-0.01
=831.99
=8.32×100-0.01
=832-0.01
=831.99
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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