请写出一个含x的代数式,要求:无论x取什么有理数,代数式的值总是非负数.
请写出一个含x的代数式,要求:无论x取什么有理数,代数式的值总是非负数.
数学人气:786 ℃时间:2020-01-29 05:02:55
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列代数式为:(x2+1)等.本题答案不唯一.
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