1)求√2²,√(-3)²,√5²,√(-6)²,√7²,√0²的值,对于任意数a,√a²等于多少?2)(√4)²(2)(√4)²(√25)²,(√36)²,(√49)²,(√0)²的值,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 01:30:27
![1)求√2²,√(-3)²,√5²,√(-6)²,√7²,√0²的值,对于任意数a,√a²等于多少?2)(√4)²(2)(√4)²(√25)²,(√36)²,(√49)²,(√0)²的值,](/uploads/image/z/6919971-51-1.jpg?t=1%EF%BC%89%E6%B1%82%E2%88%9A2%26%23178%3B%2C%E2%88%9A%EF%BC%88-3%EF%BC%89%26%23178%3B%2C%E2%88%9A5%26%23178%3B%2C%E2%88%9A%EF%BC%88-6%EF%BC%89%26%23178%3B%2C%E2%88%9A7%26%23178%3B%2C%E2%88%9A0%26%23178%3B%E7%9A%84%E5%80%BC%2C%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E6%95%B0a%2C%E2%88%9Aa%26%23178%3B%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F2%EF%BC%89%EF%BC%88%E2%88%9A4%EF%BC%89%26%23178%3B%EF%BC%882%EF%BC%89%EF%BC%88%E2%88%9A4%EF%BC%89%26%23178%3B%EF%BC%88%E2%88%9A25%EF%BC%89%26%23178%3B%2C%EF%BC%88%E2%88%9A36%EF%BC%89%26%23178%3B%2C%EF%BC%88%E2%88%9A49%EF%BC%89%26%23178%3B%2C%28%E2%88%9A0%29%26%23178%3B%E7%9A%84%E5%80%BC%2C)
1)求√2²,√(-3)²,√5²,√(-6)²,√7²,√0²的值,对于任意数a,√a²等于多少?2)(√4)²(2)(√4)²(√25)²,(√36)²,(√49)²,(√0)²的值,
1)求√2²,√(-3)²,√5²,√(-6)²,√7²,√0²的值,
对于任意数a,√a²等于多少?
2)(√4)²(2)(√4)²(√25)²,(√36)²,(√49)²,(√0)²的值,对于任意非负数a,(√a)²等于多少?
1)求√2²,√(-3)²,√5²,√(-6)²,√7²,√0²的值,对于任意数a,√a²等于多少?2)(√4)²(2)(√4)²(√25)²,(√36)²,(√49)²,(√0)²的值,
1)
√2²=2
√(-3)²=3
√5²=5
√(-6)²=6
√7²=7
√0²=0
对于任意数a,√a²=a的绝对值
2)
(√4)²=4
(√25)²=25
(√36)²=36
(√49)²=49
(√0)²=0
对于任意非负数a,(√a)²=a