设<img src="/lqwvjeImg/cd/cda424b4ff4d04f30be667bfc2188ecb.png">是环同态满射,<img src="/lqwvjeImg/08/0892f59b869d5ac89cfc275720118b3c.png">,那么下列错误的结论为( )<br>·若<img src="/lqwvjeImg/7a/7a047a9e22e5e9ef4f336c2e1cb8d3c4.png">是零元,则<img src="/lqwvjeImg/20/205077d02cec079d15744d9b48892f8c.png">是零元;<br>·若<img src="/lqwvjeImg/7a/7a047a9e22e5e9ef4f336c2e1cb8d3c4.png">是单位元,则<img src="/lqwvjeImg/20/205077d02cec079d15744d9b48892f8c.png">是单位元;<br>·若<img src="/lqwvjeImg/7a/7a047a9e22e5e9ef4f336c2e1cb8d3c4.png">不是零因子<br>·若<img src="/lqwvjeImg/16/168836e65b3802735dd33527792fc12d.png">是不交换的,则<img src="/lqwvjeImg/16/16d5072a53ced4fdbad6c938b2f99f3f.png">不交换。