配套习题-奇妙的勾股数 -【青果学院】

本课配套习题挑战模式1/5

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单选题

难度系数：

1.以下各组数为边的三角形中，不是直角三角形的是（　　）

A: 3，4，5

B: 6，8，10

C: 7，24，25

D: 3.5，4.5，5.5

提示1：IOagueaNruWLvuiCoeWumueQhueahOmAhuWumueQhuWvueWbm+S4qumAiemhuei/m+ihjOmAkOS4gOWIpOaWreWNs+WPrw==
答案：RA==
PGRpdj7op6PvvJo8aW1nIHdpZHRoPTEwOSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMC82MS9yQkFDRkZNTVZnZnlld2RnQUFBQ0duLTFEZWs2NzYucG5nIj7kuI3nrKblkIjli77ogqHlrprnkIbnmoTpgIblrprnkIY8L2Rpdj4=

本课配套习题挑战模式2/5

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单选题

难度系数：

2.观察下列勾股数：3，4，5；5，12，13；7，24，25；9，40，41；…，a，b，c，根据你发现的规律，请写出当a=19时，b、c的值为（）

A: 180，181

B: 160，161

C: 60，61

D: 80，81

提示1：IOinguWvn+W+l+e7meWHuueahOWLvuiCoeaVsOS4re+8jOaWnOi+ueS4jui+g+Wkp+ebtOinkui+ueeahOW3ruaYrzHvvIzljbNjLWI9Me+8jOWPr+W7uueri+aWueeoi+iuoeeulw==
答案：QQ==
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

本课配套习题挑战模式3/5

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单选题

难度系数：

3.观察下列勾股数：3，4，5；5，12，13；7，24，25；9，40，41；…，a，b，c，根据你发现的规律，判断15，111，112是否为一组勾股数（）

A: 不是

B: 是

提示1：IOWLvuiCoeaVsOeahOinhOW+iw==
答案：QQ==
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

本课配套习题挑战模式4/5

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单选题

难度系数：

4.若正整数a，b，c是一组勾股数，则下列各组数一定还是勾股数的是（　　）

A:

B:

C:

D:

提示1：IOS4gOe7hOaVsOiLpeaYr+WLvuiCoeaVsO+8jOaJqeWkp+ebuOWQjOeahOWAjeaVsOWQjuS7jeeEtuaYr+WLvuiCoeaVsA==
答案：Qw==
PGRpdj7op6PvvJrkuIDnu4TmlbDoi6XmmK/li77ogqHmlbDvvIzmianlpKdr5YCN77yIa+KJoDDvvInlkI7ku43nhLbmmK/li77ogqHmlbDvvIzmiYDku6XpgInmi6lDPC9kaXY+

本课配套习题挑战模式5/5

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单选题

难度系数：

5.观察下列勾股数：3，4，5；5，12，13；7，24，25；9，40，41；…，a，b，c，根据你发现的规律，请写出当a=2n+1时，b、c的值为（）

A:

B:

C:

D:

提示1：IOinguWvn+W+l+e7meWHuueahOWLvuiCoeaVsOS4re+8jOaWnOi+ueS4jui+g+Wkp+ebtOinkui+ueeahOW3ruaYrzHvvIzljbNjLWI9Me+8jOWPr+W7uueri+aWueeoi+iuoeeulw==
答案：QQ==
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