Các câu hỏi tương tự
3/2+3/8+3/32+3/128+3/512
Tính nhanh 3/2 + 3/8 + 3/32 + 3/128 + 3/512
Tinh nhanh:3/2+3/8+3/32+3/128+3/512
tính nhanh :
d= 3/2+3/8+3/32+3/128+3/512
tính nhanh tổng sau3/2+3/4+3/8+3/16+3/32+3/64+3/128+3/256+3/512
GIÚP MÌNH NHÁ
1. Tính nhanh tổng sau :
3/2 + 3/4 + 3/8 + 3/16 + 3/32 + 3/64 + 3/128 + 3/256 + 3/512 + 3/1024
1.b=5/2+5/6+5/18+5/54+5/162+5/486
2.c=3/2+3/8+3/32+3/128+3/512
3/2+3/4+3/32+3/128+3/512
a,1+5/4+5/8+5/16+5/32+5/64
b,3/2+3/8+3/32+3/128+3/512
c,3+3/5+3/25+3/125+3/625
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