(1)计算(1/0.064)1/3-(-7/80)+160.75+0.251/2 (2)若log23=a,log52=b
1个回答
(1) 原式=10/4+7+8+0.5=18
(2) log2 180 = log2 (2*2*3*3*5) = 2*log2 2 + 2*log2 3 +log2 5 = 2+2a+2/
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