初中数学人教 版八年级下册 测试2 课件

这是一份初中数学人教 版八年级下册 测试2 课件，共19页。
勾股定理— 测 试宝坻区王卜庄初级中学 杨 华挑战基本功But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 01一、挑战基本功CBC一、挑战基本功DAC一、挑战基本功BD图4一、挑战基本功B一、挑战基本功能力检测But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 02二、能力检测 5二、能力检测96二、能力检测规范书写But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 03三、规范书写三、规范书写挑战自我But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 04如图 ，将圆柱体的侧面展开。ABACB12解： AC=BC=12∵三角形ABC是直角三角形，答：最短路程是15 厘米。四、挑战自我2.如图，长方体的高为3cm，底面是边长为2cm的正方形。现有一小虫从顶点A出发，沿长方体侧面到达顶点C，小虫走的路程最短为多少厘米？ACC1B1C2B2解：如图，画出长方体的侧面展开图。答：小虫走的路程最短为5厘米。AB1=3㎝，B1C1=4㎝，AB2=5㎝，B2C2=2㎝，我的收获……But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 05课后作业But there is another reason for the hign repute of mathematics：it is mathematics that offers the exact natural sciences a certainmeasure of security which，without mathematics，they could not attain．PART 06