本课配套习题挑战模式1/5
单选题
难度系数:
1.已知则的值是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOiuvuWHumI9NWvvvIzlvpflh7phPTEza++8jOWGjeaKimHvvIxi55qE5YC85Luj5YWl5Y2z5Y+v5rGC5Ye6562U5qGILg==
- 答案:RA==
6Kej77ya4oi1PGltZyB3aWR0aD00OCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wQy9GMi9yQkFDRkZQSTdNaXh0TG9BQUFBQjBrWDVIdjgxNjQucG5nIj7vvIzlj6/orr5iPTVr77yM5YiZYT0xM2s8YnI+4oi0PGltZyB3aWR0aD0yNyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wQy9GMi9yQkFDRkZQSTdNZkRBSDJUQUFBQmRDX1Q1UmszMjAucG5nIj49PGltZyB3aWR0aD04MSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC80QS8wNS9yQkFDRTFQSTdNaVRoc3h5QUFBQ1dodzJjNTQ3MDYucG5nIj48YnI+4oi06YCJRA==
本课配套习题挑战模式3/5
单选题
难度系数:
3.如果x:y=2:3,则下列各式不成立的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruavlOS+i+eahOWfuuacrOaAp+i0qO+8jOWPr+WIhuWIq+iuvuWHunjlkox577yM5YiG5Yir5Luj5YWl5ZCE6YCJ6aG56L+b6KGM6K6h566X5Y2z5Y+v5b6X5Ye657uT5p6cLg==
- 答案:RA==
6Kej77ya5Y+v6K6+eD0ya++8jHk9M2suIOmAmui/h+S7o+WFpeiuoeeul++8jDxicj7ov5vooYznuqbliIbvvIxB77yMQu+8jEPpg73mraPnoa7vvJs8YnI+ROS4jeiDveWunueOsOe6puWIhu+8jOaVhemUmeivry4gPGJyPuaVhemAiUQuIA==
本课配套习题挑战模式4/5
单选题
难度系数:
4.已知(a+b+c≠0),那么y=kx+k的图象一定不经过( )
A: 第一象限 |
B: 第二象限 |
C: 第三象限 |
D: 第四象限 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIqeeUqOavlOS+i+eahOetieavlOaAp+i0qOato+ehruaxguW+l2vnmoTlgLzvvIznhLblkI7moLnmja7nm7Tnur/op6PmnpDlvI/kuK3nmoRr77yMYueahOWAvOato+ehruWIpOaWreebtOe6v+e7j+i/h+eahOixoemZkC4=
- 答案:RA==
6Kej77ya5b2TYStiK2PiiaAw5pe277yM5qC55o2u5q+U5L6L55qE562J5q+U5oCn6LSo77yM5b6Xaz08aW1nIHdpZHRoPTk5IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzBDL0YyL3JCQUNGRlBJN01fQ25MNmdBQUFDZmdFLW9LQTkxMy5wbmciPjxicj7liJnnm7Tnur/op6PmnpDlvI/mmK95PTJ4KzLvvIw8YnI+5qC55o2ua+WSjGLnmoTnrKblj7fvvIzliJnlm77osaHkuIDlrprnu4/ov4fkuIDjgIHkuozjgIHkuInosaHpmZAuIDxicj7mlYXpgIlELiA=
本课配套习题挑战模式5/5
单选题
难度系数:
5.若互不相等的四条线段的长a、b、c、d满足,m是任意实数,则下列各式中,一定成立的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOeGn+e7g+aOjOaPoeavlOS+i+WSjOWIhuW8j+eahOWfuuacrOaAp+i0qO+8jOi/m+ihjOWQhOenjea8lOWPmC4=
- 答案:RA==
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