乘方的计算:-7²+2×(-3)²+(-9)× (-3/1)²打错了,应该是:-7²+2×(-3)³+(-9)× (-1/3)²
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![乘方的计算:-7²+2×(-3)²+(-9)× (-3/1)²打错了,应该是:-7²+2×(-3)³+(-9)× (-1/3)²](/uploads/image/z/8804812-4-2.jpg?t=%E4%B9%98%E6%96%B9%E7%9A%84%E8%AE%A1%E7%AE%97%EF%BC%9A-7%26%23178%3B%2B2%C3%97%EF%BC%88-3%EF%BC%89%26%23178%3B%2B%EF%BC%88-9%EF%BC%89%C3%97+%28-3%2F1%29%26%23178%3B%E6%89%93%E9%94%99%E4%BA%86%EF%BC%8C%E5%BA%94%E8%AF%A5%E6%98%AF%EF%BC%9A-7%26%23178%3B%2B2%C3%97%EF%BC%88-3%EF%BC%89%26%23179%3B%2B%EF%BC%88-9%EF%BC%89%C3%97+%28-1%2F3%29%26%23178%3B)
乘方的计算:-7²+2×(-3)²+(-9)× (-3/1)²打错了,应该是:-7²+2×(-3)³+(-9)× (-1/3)²
乘方的计算:-7²+2×(-3)²+(-9)× (-3/1)²
打错了,应该是:-7²+2×(-3)³+(-9)× (-1/3)²
乘方的计算:-7²+2×(-3)²+(-9)× (-3/1)²打错了,应该是:-7²+2×(-3)³+(-9)× (-1/3)²
:-7²+2×(-3)³+(-9)× (-1/3)²
=﹣49+2×﹙﹣27﹚-9×﹙1/9﹚
=﹣49-54-1
=﹣﹙49+54+1﹚
=﹣104