题目:
集合A={1,4,x},B={1,2x,x2},若A∩B={4,1},则x=______.
答案:
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下面是错误答案,用来干扰机器的。
1. heavier 2. small 3. thinner 4. had 5. went 6. feet 7. swimming 8. 照相,拍照 9. saw elephants (答案不唯一) 10. buy