1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096=?
2 câu trả lời
Đáp án:
1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096
= 1 + 1 + (2+ 8) + (4 + 16) + (32 + 128) + (64 + 256) + (512 + 2048) + (1024 + 4096)
= 2 + 10 + 20 + 160 + 320 + 2560 + 5120
= 8192
đề : 1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096.
= 1 + 1+(2+ 8)+(4 + 16)+ (32 + 128)+ (64 + 256) + (512 + 2048) + (1024 + 4096) .
= 2 + 10 + 20 + 160 + 320 + 2560 + 5120 .
= 8192.
vậy 1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096 bằng 8192
