(1 + 1/2) x (1 + 1/3) x ... x (1 + 1/100)
= 3/2 x 4/3 x ... x 101/100
= 101/2
Ủng hộ mk nha ^_-
(1 + 1/2) x (1 + 1/3) x ... x (1 + 1/100)
= 3/2 x 4/3 x ... x 101/100
= 101/2
Ủng hộ mk nha ^_-
Tính
a) (x-1/2)+(x-1/4)+(x-1/8)+...+(x-1/512)
Tìm x
a) (x-1/1×2)+(x-1/2×3)+...+(x-1/100×101)
b) (x-1)+(x-2)+(x-3)+...+(x-101)=5050
c) x+1/2+1/3+1/4+...+1/100=3/2+4/3+5/4++...+101/100
1 + ( 1+ 2 ) + 1+2+3+4) + ...1+2+3+......+100 / 100 x 1 + 99x2 + 98x3 + 2x99 + 1 x 100
(2+4+6+...+100) - (1+3+5+...+99) = ?
1 x 2 + 2 x 3 + 3 x 4 + ... + 99 x 100 = ?
3 x 4 + 4 x 5 + 5 x 6 + ... + 149 x 150 = ?
1 + (1 + 2) + ( 1 + 2 + 3) + (1 + 2 + 3 + 4) + ....... + (1 + 2 + 3 + ... + 99)
----------------------------------------------------------------------------------------------------------- ( gạch ngang phân số )
1 x 99 + 2.98 + 3.97 + ...... + 99 x 1
a, ( 1+ 1/2 ) x ( 1+ 1/3) x ... x ( 1+ 1/100)
b, ( 1- 1/2 ) x ( 1 - 1/3 ) x ... x ( 1- 1/2017)
1/1 x 1/2 + 1/2 x 1/3 + 1/3 + 1/4 + .......... + 1/9 x 1/10
2/1 x 2 + 2/2 x 3 + 2/3 x4 + .............. + 2/98 x 99 + 2/99 x 100
1. Tính nhanh:
M = 1 x 1/2 + 1/2 x 1/3 + 1/3 x 1/4 +...+ 1/99 x 1/100
1. Tính nhanh:
M = 1 x 1/2 + 1/2 x 1/3 + 1/3 x 1/4 +...+ 1/99 x 1/100
cíu :))
1/1 x 2 + 1/2 x 3 + 1/3 x 4 +.....+ 1/99 x 100
tính nhanh
a (1-1/2) x (1-1/3) x (1-1/4) x (1-1/5)
b (1-3/4)x ( 1-3/7) x ( 1-3/10) x (1-3/13) x...x (1-3/97) x (1-3/100)
Tìm x
a) ( x-1/2)+(x-1/4)+(x-1/8)+...+(x-1/512)=1
b) x+1/2+1/3+1/4+...+1/100=3/2+4/3+5/4+...+101/100
Giải rõ ràng giùm mk với nha