配套习题-例说“与某字母无关”的问题 -【青果学院】

本课配套习题挑战模式1/5

返回课程

单选题

难度系数：

1.已知

的值与字母

的取值无关，则

的值为（）

A: 1

B: 0

C: -1

D: -2

提示1：IOWQiOW5tuWQjOexu+mhueWQjuWHoeaYr+WQq+acieWtl+avjTxpbWcgd2lkdGg9OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zNy8zQi9yQkFDRTFObDZfdXhjclA4QUFBQkVwdWNBLXc5MTcucG5nIj7nmoTns7vmlbDpg73nrYnkuo4w5Y2z5Y+v
答案：Qw==
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

本课配套习题挑战模式2/5

返回课程

单选题

难度系数：

2.已知多项式

的值与

无关，则

的值为（）

A: 3

B: 2

C: 1

D: 0

提示1：IOWQiOW5tuWQjOexu+mhueWQjuWHoeaYr+WQq+acieWtl+avjTxpbWcgd2lkdGg9OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zNy8zQi9yQkFDRTFObDZfdXhjclA4QUFBQkVwdWNBLXc5MTcucG5nIj7nmoTns7vmlbDpg73nrYnkuo4w5Y2z5Y+v
答案：Qw==
6Kej77ya5Y6f5byPPTxpbWcgd2lkdGg9MzU2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzM3LzNCL3JCQUNFMU5sN0FUd1luSlNBQUFEMkxtd25sbzA1My5wbmciPjxicj7lm6DkuLrlpJrpobnlvI/nmoTlgLzkuI48aW1nIHdpZHRoPTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMzcvM0IvckJBQ0UxTmw2X3V4Y3JQOEFBQUJFcHVjQS13OTE3LnBuZyI+5peg5YWz77yM5omA5LulPGltZyB3aWR0aD0xMzkgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkIvMzIvckJBQ0ZGTmw3QVNodVQ0RUFBQUNXUFRhQWNBOTcxLnBuZyI+

本课配套习题挑战模式3/5

返回课程

单选题

难度系数：

3.有这样一道题：当a=0.35，b=-0.28时，求

的值。小明说：本题中

是多余的条件，小强马上反对说：这多项式中每一项都含有a和b，不给出a，b的值怎么能求出多项式的值呢？你同意哪名同学的观点？（）

A: 小明

B: 小强

提示1：IOWQiOW5tuWQjOexu+mhueS5i+WQjuWPr+efpeiwgeWvueiwgemUmQ==
答案：QQ==
6Kej77yaPGltZyB3aWR0aD0zMzkgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkIvMzIvckJBQ0ZGTmw3QXJUR3RxREFBQUVXNHRkcVg4NjAyLnBuZyI+PGJyPuKItOWOn+W8j+e7k+aenOS4jmHvvIxi55qE5YC85peg5YWz5bCP5piO55qE6K+05rOV5pyJ6YGT55CG

本课配套习题挑战模式4/5

返回课程

单选题

难度系数：

4.已知

，

则

的值为（）

A:

B:

C:

D:

提示1：IOWFiOiuoeeulzJBLULvvIzljJbnroDvvIznlLHkuo7lpJrpobnlvI8yQS1C55qE5YC85LiO5a2X5q+NeeeahOWPluWAvOaXoOWFs++8jOmCo+S5iOWQq+aciXnnmoTku7vkvZXmrKHluYLnmoTns7vmlbDlkozpg73nrYnkuo4w77yM5Y+v5rGC5Ye6YeOAgWLnmoTlgLw=
答案：QQ==
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

本课配套习题挑战模式5/5

返回课程

单选题

难度系数：

5.判断正误：不论

取何值，代数式

的值不变。（）

A: 正确

B: 错误

提示1：IOWFiOWwhuS7o+aVsOW8j+i/m+ihjOWMlueugO+8jOWMlueugOWQjuS7o+aVsOW8j+S4reS4jeWQq3jvvIzlj6/lvpfkuI3orrp45Y+W5L2V5YC877yM5Luj5pWw5byP55qE5YC85piv5LiN5Lya5pS55Y+Y55qE
答案：QQ==
6Kej77ya5Y6f5byPPTxpbWcgd2lkdGg9MTYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMzcvM0IvckJBQ0UxTmw3Qm1SOGZrQkFBQUJJM1U1SkFNMzU0LnBuZyI+IOKItOS4jeiuunjlj5bkvZXlgLzvvIzku6PmlbDlvI/nmoTlgLzmmK/kuI3kvJrmlLnlj5jnmoQ=

中学生网络课堂

本课配套习题挑战模式1/5

本课配套习题挑战模式2/5

本课配套习题挑战模式3/5

本课配套习题挑战模式4/5

本课配套习题挑战模式5/5

青果学院课程

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