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乘方的计算:-7
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