本课配套习题挑战模式1/5
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 |
一次做对,真牛!
+5奖励规则>
- 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
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 |
一次做对,真牛!
+5奖励规则>
- 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3/5
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 |
一次做对,真牛!
+5奖励规则>
- 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
单选题
难度系数:
4.已知,则的值为( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOiuoeeulzJBLULvvIzljJbnroDvvIznlLHkuo7lpJrpobnlvI8yQS1C55qE5YC85LiO5a2X5q+NeeeahOWPluWAvOaXoOWFs++8jOmCo+S5iOWQq+aciXnnmoTku7vkvZXmrKHluYLnmoTns7vmlbDlkozpg73nrYnkuo4w77yM5Y+v5rGC5Ye6YeOAgWLnmoTlgLw=
- 答案:QQ==
6Kej77yaPGltZyB3aWR0aD00OTMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkIvMzIvckJBQ0ZGTmw3QktESzZiMEFBQUZaVzVCSmNvODMwLnBuZyI+PGJyPuKIteWkmumhueW8jzxpbWcgd2lkdGg9NDIgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkIvMzIvckJBQ0ZGTmw3QkxERVdiWEFBQUJsLVdaWHlnODAyLnBuZyI+55qE5YC85LiO5a2X5q+NPGltZyB3aWR0aD04IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzM3LzNCL3JCQUNFMU5sN0JLUXZiNThBQUFCTkc4UjFIQTE2NC5wbmciPueahOWPluWAvOaXoOWFszxicj7iiLQ8aW1nIHdpZHRoPTE1NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zNy8zQi9yQkFDRTFObDdCTFNSQk0xQUFBQ1lSOVZqbGc0MjAucG5nIj7vvIw8YnI+4oi0PGltZyB3aWR0aD04MiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GQi8zMi9yQkFDRkZObDdCS3lHc25oQUFBQjAyVGhTS0k4ODMucG5nIj4=
本课配套习题挑战模式5/5
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 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOWwhuS7o+aVsOW8j+i/m+ihjOWMlueugO+8jOWMlueugOWQjuS7o+aVsOW8j+S4reS4jeWQq3jvvIzlj6/lvpfkuI3orrp45Y+W5L2V5YC877yM5Luj5pWw5byP55qE5YC85piv5LiN5Lya5pS55Y+Y55qE
- 答案:QQ==
6Kej77ya5Y6f5byPPTxpbWcgd2lkdGg9MTYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMzcvM0IvckJBQ0UxTmw3Qm1SOGZrQkFBQUJJM1U1SkFNMzU0LnBuZyI+IOKItOS4jeiuunjlj5bkvZXlgLzvvIzku6PmlbDlvI/nmoTlgLzmmK/kuI3kvJrmlLnlj5jnmoQ=