（每个小方格的面积表示1cm2）图（1）的阴影部分面积是
\u4e0b\u56fe\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5c0f\u65b9\u683c\u662f1cm2\uff0c\u8bf7\u4f60\u628a\u6bcf\u4e2a\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u586b\u5728______\u91cc\uff0e\uff081\uff09______\uff082\uff09______\uff083\uff09_____\uff081\uff09\u7531\u5206\u6790\u53ef\u77e5\uff0c\u56fe\u4e2d\u9634\u5f71\u90e8\u5206\u5171\u5360\u67098\u4e2a\u5c0f\u65b9\u683c\uff0c\u56e0\u4e3a\u6bcf\u4e00\u4e2a\u5c0f\u65b9\u683c\u662f1cm2\uff0c\u6240\u4ee5\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u662f8cm2\uff1b\uff082\uff09\u7531\u5206\u6790\u53ef\u77e5\uff0c\u56fe\u4e2d\u9634\u5f71\u90e8\u5206\u5171\u5360\u67092\u4e2a\u5c0f\u65b9\u683c\uff0c\u56e0\u4e3a\u6bcf\u4e00\u4e2a\u5c0f\u65b9\u683c\u662f1cm2\uff0c\u6240\u4ee5\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u662f2cm2\uff1b\uff083\uff094\u00d74-1\u00d73\u00f72\u00d74=16-6=10\uff08cm2\uff09\uff1b\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff098cm2\uff1b\uff082\uff092cm2\uff1b\uff083\uff0910cm2\uff1b
\u56fe1\u7684\u9762\u79ef\u4e3a\uff1a4\u00d75\u00f72+1=20\u00f72+1\uff0c=10+1\uff0c=11\uff08\u5e73\u65b9\u5398\u7c73\uff09\uff1b\u56fe2\u7684\u9762\u79ef\u4e3a\uff1a4\u00d75+2\u00d72\u00d72=20+8\uff0c=28\uff08\u5e73\u65b9\u5398\u7c73\uff09\uff0c\u7b54\uff1a\u56fe1\u7684\u9762\u79ef\u5927\u7ea6\u662f11\u5e73\u65b9\u5398\u7c73\uff0c\u56fe2\u7684\u9762\u79ef\u5927\u7ea6\u662f28\u5e73\u65b9\u5398\u7c73\uff0e
图（一）：1×（4×3）=12（平方厘米）答：图（1）的阴影部分面积是12平方厘米．
图（二）1×7=7（平方厘米）
图（2）的阴影部分面积是7平方厘米．
故答案为：12平方厘米，7平方厘米．
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