本课配套习题挑战模式1/5
单选题
难度系数:
1.
当x=-5时,代数式的值是3,求当x=5时,代数式的值为( )
A: 3 |
B: 4 |
C: 5 |
D: 6 |
一次做对,真牛!
+5奖励规则>
- 提示1:PFA+5pW05L2T5oCd5oOz77yM5LiA5a+555u45Y+N5pWw55qE55u45ZCM5YG25pWw5qyh5bmC55qE57uT5p6c55u45ZCMPC9QPg==
- 答案:QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.如果的值是2,那么多项式的值是()
A: 1 |
B: 2 |
C: 3 |
D: 4 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaVtOS9k+aAneaDsw==
- 答案:Qg==
PGRpdj7op6PvvJo8aW1nIHdpZHRoPTgzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzAxL0QwL3JCQUNGRk1OVVFYQmlHS1FBQUFDRGdRem5VVTA1NC5wbmciPjwvZGl2PjxkaXY+5omA5LulPGltZyB3aWR0aD0zMjkgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvQzEvckJBQ0UxTU5VUVdoXzNSbkFBQUR6MGplN2RjNjUwLnBuZyI+PC9kaXY+
本课配套习题挑战模式3/5
单选题
难度系数:
3.已知,当时,,求当时,y的值为()
A: -19 |
B: -18 |
C: -17 |
D: -16 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaVtOS9k+aAneaDsw==
- 答案:QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.
当时,多项式的值是10,
当时,则该代数式的值为( )
A: -172 |
B: -173 |
C: -174 |
D: -175 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5pW05L2T5Luj5YWl55qE5oCd5oOzPC9wPg==
- 答案:QQ==
PGRpdj7op6PvvJrlvZM8aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDEvRDEvckJBQ0ZGTU5VUlhRLVhXbkFBQUJVMjg2T2tVMzYzLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wMS9EMS9yQkFDRkZNTlVSWFEtWFduQUFBQlUyODZPa1UzNjMucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iNDkiPuaXtu+8jOWkmumhueW8jzxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wMS9EMS9yQkFDRkZNTlVSV1JMbVNYQUFBRGJpdm9xWjg2OTUucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzAxL0QxL3JCQUNGRk1OVVJXUkxtU1hBQUFEYml2b3FaODY5NS5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIyNzkiPjwvZGl2PjxkaXY+5omA5LulPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI0L0MxL3JCQUNFMU1OVVJXanE3ZVBBQUFDSVRsUk0xdzM3NC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvQzEvckJBQ0UxTU5VUldqcTdlUEFBQUNJVGxSTTF3Mzc0LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjExOCI+PC9kaXY+PGRpdj7lvZM8aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvQzEvckJBQ0UxTU5VUldCMEhTOUFBQUJUQTQ4T25FMzY3LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yNC9DMS9yQkFDRTFNTlVSV0IwSFM5QUFBQlRBNDhPbkUzNjcucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iMzciPuaXtu+8jDxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMS9EMS9yQkFDRkZNTlVSWGg4bjNSQUFBRUIweWdFTk05NzgucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzAxL0QxL3JCQUNGRk1OVVJYaDhuM1JBQUFFQjB5Z0VOTTk3OC5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIzNzUiPjwvZGl2Pg==