题目列表(包括答案和解析)
(2011江苏泰州,3,3分)一元二次方程x2=2x的根是
A.x=2 B.x=0 C.x1=0, x2=2 D.x1=0, x2=-2
| A.x=2 | B.x="0" |
| C.x1="0," x2=2 | D.x1="0," x2=-2 |
(2011江苏泰州,3,3分)一元二次方程x2=2x的根是
A.x=2 B.x=0 C.x1=0, x2=2 D.x1=0, x2=-2
| A.x="2" | B.x="0" | C.x1="0," x2="2" | D.x1="0," x2=-2 |
(2011江苏泰州,3,3分)一元二次方程x2=2x的根是
| A.x=2 | B.x="0" |
| C.x1="0," x2=2 | D.x1="0," x2=-2 |
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