本课配套习题挑战模式1/5
A:无解 |
B:有无数解 |
C:唯一解 |
D: 有两个解 |
- 提示1:IDJ4LTV55Zyo562J5LqOOOeahOaDheWGteS4i+S4jeWPr+iDveWPiOetieS6jjEy
- 提示2:IDxpbWcgd2lkdGg9ODkgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNzYvckJBQ0ZGTU1YVWp5Q0Rka0FBQUNDRGRoWU5NMzM0LnBuZyI+
- 答案:QQ==
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
本课配套习题挑战模式2/5
A: a=8 |
B: a=6 |
C: a=4 |
D: a=2 |
- 提示1:IOS4pOS4quaWueeoi+iDveWPmOaIkOWQjOS4gOaWueeoi+WwseacieaXoOaVsOinow==
- 答案:RA==
PGRpdj48aW1nIHdpZHRoPTgxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzY1L3JCQUNFMU1NWFQzeldGN0RBQUFEQzNONjZUMDEyNi5wbmciPjwvZGl2PjxkaXY+5b2TYe+8mjE9NDoyPTEyOjbml7bmnInml6DmlbDop6M8L2Rpdj48ZGl2PuKItGE9MjwvZGl2Pg==
本课配套习题挑战模式3/5
a、b为何值时,关于x、y的方程组有无数解( )
A: a=1,b=2 |
B: a=1,b=4 |
C: a=2,b=-2 |
D: a=1,b=-4 |
- 提示1:PHA+5Lik5Liq5pa556iL6IO95Y+Y5oiQ5ZCM5LiA5pa556iL5bCx5pyJ5peg5pWw6KejPC9wPg==
- 答案:RA==
PGRpdj7op6PvvJo8aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNjUvckJBQ0UxTU1YVURpYTBEWEFBQURHbjYtdWFnNzg0LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy82NS9yQkFDRTFNTVhVRGlhMERYQUFBREduNi11YWc3ODQucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iODYiPuW9k2HvvJoyPTLvvJrvvIgtYu+8iT0xMDoyMOaXtuacieaXoOaVsOinozwvZGl2PjxkaXY+5Y2zYT0x77yMYj0tNDwvZGl2Pg==
本课配套习题挑战模式4/5
关于x、y的方程组有唯一解,则一定存在( )
A: a≠3,b≠6 |
B: a≠3,b≠-6 |
C: a=3,b=-6 |
D: b≠-6,和a的取值没有关系 |
- 提示1:PHA+eOWSjHnnmoTns7vmlbDmr5TkuI3nrYnlsLHmnInllK/kuIDop6M8L3A+
- 答案:RA==
PGRpdj7op6PvvJo8aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNzYvckJBQ0ZGTU1YVVBEOWllQkFBQUMzUjlvX3pvNTM2LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMC83Ni9yQkFDRkZNTVhVUEQ5aWVCQUFBQzNSOW9fem81MzYucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iNzgiPjwvZGl2PjxkaXY+5Y+q6ZyAMToy4omg77yILTPvvInvvJpi5Y2z5Y+v77yM5Y2zYuKJoC02PC9kaXY+
本课配套习题挑战模式5/5
A: a:d=b:e=c:f时无解 |
B: a:d=b:e=c:f时有无数解 |
C: a:d=b:e≠c:f时唯一解 |
D: a:d≠b:e=c:f时无解 |
- 提示1:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgYe+8mmQ9Yu+8mmU9Y++8mmbml7bml6DmlbDop6MKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIA==
- 提示2:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgYe+8mmQ9Yu+8mmXiiaBj77yaZuaXtuaXoOinowogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
- 提示3:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgYe+8mmTiiaBi77yaZT1j77yaZuaXtuWUr+S4gOinowogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
- 答案:Qg==
PGRpdj7op6PvvJph77yaZD1i77yaZT1j77yaZuaXtuaXoOaVsOinozwvZGl2PjxkaXY+Ye+8mmQ9Yu+8mmXiiaBj77yaZuaXtuaXoOinozwvZGl2PjxkaXY+Ye+8mmTiiaBi77yaZT1j77yaZuaXtuWUr+S4gOinozwvZGl2Pg==