Mọi người giúp mình nha ! Mình cần gấp lắm . Tính nhanh: -(1+1/3)x(1+1/8)x(1+1/15)+…………+(1+1/9999) 05/07/2021 Bởi Amaya Mọi người giúp mình nha ! Mình cần gấp lắm . Tính nhanh: -(1+1/3)x(1+1/8)x(1+1/15)+…………+(1+1/9999)
(1+1/3)+(1+1/8)+(1+1/15)+….+(1+1/9999) =4/3 x 9/8 x 16/15 x…….x10000/9999 =2,2/1,3 x 3,3/2,4 x 4,4/3,5 x…….x100,100/99,101 =2,3,4….100/1,2,3….99 x 2,3,4…..100/3,4,5….101 =100 x 2/101 =200/101 Bình luận
$\text{@Chi_}$ $(1+$ `1/3` $)+(1+$ `1/8` $)+(1+$ `1/15` $)+ … +(1+$ `1/9999` $)$ $=$ `4/3` $×$ `9/8` $×$ `16/15` $×$…$×$ `10000/9999` $=$ $2,$ `2/1,3` $×$ $3,$ `3/2,4` $×$ $4,$ `4/3,5` $×$… $100,$ `100/99,101` $=$ $2,3,4$ … `100/1,2,3` … $99×2,3,4$ … `100/3,4,5` … $101$ $=$ $100×$ `2/101` $=$ `200/101`. $#Xin hay nhất !$ Bình luận
(1+1/3)+(1+1/8)+(1+1/15)+….+(1+1/9999)
=4/3 x 9/8 x 16/15 x…….x10000/9999
=2,2/1,3 x 3,3/2,4 x 4,4/3,5 x…….x100,100/99,101
=2,3,4….100/1,2,3….99 x 2,3,4…..100/3,4,5….101
=100 x 2/101
=200/101
$\text{@Chi_}$
$(1+$ `1/3` $)+(1+$ `1/8` $)+(1+$ `1/15` $)+ … +(1+$ `1/9999` $)$
$=$ `4/3` $×$ `9/8` $×$ `16/15` $×$…$×$ `10000/9999`
$=$ $2,$ `2/1,3` $×$ $3,$ `3/2,4` $×$ $4,$ `4/3,5` $×$… $100,$ `100/99,101`
$=$ $2,3,4$ … `100/1,2,3` … $99×2,3,4$ … `100/3,4,5` … $101$
$=$ $100×$ `2/101`
$=$ `200/101`.
$#Xin hay nhất !$