有3个相同的长方形,长为10厘米,宽为3厘米,如图所示地重叠着,求重叠图形的周长和 两块相同的长方形,长10厘米,宽3厘米,如图叠放,求该图形的...
\u6709\u4e09\u4e2a\u76f8\u540c\u7684\u957f\u65b9\u5f62\uff0c\u957f\u4e3a\u5341\u5398\u7c73\uff0c\u5bbd\u4e09\u5398\u7c73\uff0c\u5982\u56fe\u6240\u793a\u5730\u91cd\u53e0\u7740\uff0c\u6c42\u91cd\u53e0\u90e8\u5206\u7684\u5468\u957f\u3002
\u91cd\u53e0\u90e8\u5206\u7684\u5468\u957f\uff1d4\u00d73\u00d72\uff1d24\uff08\u5398\u7c73\uff09
\u91cd\u53e0\u90e8\u5206\u7684\u5468\u957f\uff1d\uff082\uff0b3\uff09\u00d72\u00d72\uff1d20\uff08\u5398\u7c73\uff09
\u89e3\uff1a\u8bbe\u957f\u65b9\u5f62\u7684\u5468\u957fx\u5398\u7c73\u3002
x=3*2+10*2+(10-3\uff09*2
x=40
\u7b54\uff1a\u957f\u65b9\u5f62\u7684\u5468\u957f40\u5398\u7c73\u3002
=13X2+7X4
=26+28
=54(厘米)
没有图啊
没有图你叫我怎么?给你做啊?
说好的如图。。。
绛旓細(10+3)X2+(10涓3)x4 =13X2+7X4 =26+28 =54(鍘樼背)
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