本课配套习题挑战模式1/5
单选题
难度系数:
1.方程2x-3=1的解为()
A: x=0 |
B: x=2 |
C: x=1 |
D: x=3 |
一次做对,真牛!
+5奖励规则>
- 提示1:5L2/5pa556iL5Lit562J5Y+35bem5Y+z5Lik6L6555u4562J55qE5pyq55+l5pWw55qE5YC877yM5bCx5piv5pa556iL55qE6Kej44CC
- 答案:Qg==
5oqKQS5CLkMuROWbm+mhuee7k+aenOS7o+WFpe+8jOWPquaciULmu6HotrPvvIwxPTHvvIznrYnlvI/lt6blj7PkuKTovrnnm7jnrYnvvIzmlYXpgIlC44CC
本课配套习题挑战模式2/5
单选题
难度系数:
2.在下列方程中,属于一元一次方程的是()
A: x-2y=1 |
B: |
C: x2+2x-1=0 |
D: y2=4 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Y+q5ZCr5pyJ5LiA5Liq5pyq55+l5pWw77yM5LiU5pyq55+l5pWw55qE5qyh5pWw6YO95pivMe+8jOetieWPt+S4pOi+uemDveaYr+aVtOW8j++8jOi/meagt+eahOaWueeoi+WPq+S4gOWFg+S4gOasoeaWueeoiw==
- 答案:Qg==
QS7plJnor6/vvIzlkKvmnInkuKTkuKrmnKrnn6XmlbDjgIJDLETkuKTpobnmnKrnn6XmlbDmrKHmlbDkuLoy5qyh44CC5pWF6YCJQuOAgg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.()是方程的解
A:x= 0 |
B: x=1 |
C: x=2 |
D: x=3 |
一次做对,真牛!
+5奖励规则>
- 提示1:5L2/5pa556iL5Lit562J5Y+35bem5Y+z5Lik6L6555u4562J55qE5pyq55+l5pWw55qE5YC877yM5bCx5piv5pa556iL55qE6Kej
- 答案:RA==
5oqKQS5CLkMuROWbm+mhuee7k+aenOS7o+WFpe+8jOWPquaciUTmu6HotrPvvIw8aW1nIHdpZHRoPTExNiBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9CQS9yQkFDSmxUSXRZbnlpcmstQUFBQ1pSbWRlamMxNzEucG5nIj49Me+8jOetieW8j+W3puWPs+S4pOi+ueebuOetie+8jOaVhemAiUTjgII8YnI+
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列各式中,是一元一次方程的是()
A: x-y=6 |
B: |
C: 3x-4 |
D: x2+x=1 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Y+q5ZCr5pyJ5LiA5Liq5pyq55+l5pWw77yM5LiU5pyq55+l5pWw55qE5qyh5pWw6YO95pivMe+8jOetieWPt+S4pOi+uemDveaYr+aVtOW8j++8jOi/meagt+eahOaWueeoi+WPq+S4gOWFg+S4gOasoeaWueeoiw==
- 答案:Qg==
QS7plJnor6/vvIzmnInkuKTkuKrmnKrnn6XmlbDjgIJDLumUmeivr++8jOS4jeaYr+etieW8j+OAgkQu6ZSZ6K+v77yM5qyh5pWw5piv5LqM5qyh77yM5pWF6YCJQuOAgg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.
已知=6是关于x的一元一次方程,则b的取值是()
A: 2或0 |
B: -2 |
C: ±2 |
D: 3 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5rOo5oSP57ud5a+55YC855qE5L2c55SoPC9wPg==
- 提示2:PHA+5Y+q5ZCr5pyJ5LiA5Liq5pyq55+l5pWw77yM5LiU5pyq55+l5pWw55qE5qyh5pWw6YO95pivMe+8jOetieWPt+S4pOi+uemDveaYr+aVtOW8j++8jOi/meagt+eahOaWueeoi+WPq+S4gOWFg+S4gOasoeaWueeoizwvcD4=
- 答案:QQ==
PHA+4oijYi0x4oijPTEs4oi0Yi0xPTxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS80NC9yQkFDRkZUSXRacnpoRVFBQUFBQS1YUHFjZEE5NDEucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBLzQ0L3JCQUNGRlRJdFpyemhFUUFBQUFBLVhQcWNkQTk0MS5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIxOCI+LOKItGI9MOaIluiAhWI9Mi7pgIlBPC9wPg==