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数学
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2\1+4\1+8\1+16\1+64\1+128\1+256\1+512\1
我上小学看不懂
人气:430 ℃ 时间:2020-01-27 09:52:07
解答
不知道你读高中还是初中,那就用古老的方法和简单方法两种求解出来.1)先把题补全再算.=原式+1/32-1/32 = (2\1+4\1+8\1+16\1+1/32+64\1+128\1+256\1+512\1)- 1/32现在可以找规律了,1/2+1/4=3/4;1/2+1/4+1/8=7/8;1...
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1+1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512=
512/512+256/512+128/512+64/512+32/512+16/512+8/512+4/512+2/512+1/512=
1024+512+256+128+64+32+16+8+4+2+1求解
1+2+4+8+16+32+64+128+256+512=?
求1-1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256-1/512的值
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