等于的都是2的次方,2的0次=1,1次=2,2次=4~~~~~~~~~~~~~~~~~~~~~~~~~
1=1,2=2,3=4,4=8,5=16,6=32,7=64,8=128,9=256,10=512,11=1024,12
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1+1?2+2?4+4?8+8?16+16?32+32 64+64 128+128 256+256 512+512 10
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1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8192+16384+32768
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1,2,4,8,16,32,64,128,256,512,1024 ,2048.4056.8112.16224.3244
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1/2加2/4加3/8加4/16加5/32加6/64加7/128加8/256加9/512加10/1024的简便算法是什么
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2/1+4/1+8/1+16/1+32/1+64/1+128/1+256/1+512/1+1024/1=?
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计算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024
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3/4+5/8+5/16+6/32+7/64+8/128+9/256=?
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1+2+4+8+16+32+64+128+256+512用简便方法做,^
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16384后的2倍数字(3个)2 4 8 16 32 64 128 256 512 1024 2048 4096 819
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1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 讲的好懂点