(1-1/10)x(1-11)x(1-1/12)x(1-1/13)x(1/14)x(1/15) 26/09/2021 Bởi Iris (1-1/10)x(1-11)x(1-1/12)x(1-1/13)x(1/14)x(1/15)
(1-1/10)x(1-11)x(1-1/12)x(1-1/13)x(1/14)x(1/15) = 9/10 x ( -10 ) x 11/12 x 12/13 x 1/14 x 1/15 = 9/15 = 3/5 Bình luận
(1 – 1/10)x(1 -1/11)(1-1/12)x(1 – 1/13)x(1-1/14)x(1-1/15) ⇒9/10 x 10/11 x 11/12 x 12/13 x 13/14 x 14 /15 ⇒9x10x11x12x13x14/10x11x12x13x14x15 ⇒9/15=3/5 EM viết sai đề rồi Bình luận
(1-1/10)x(1-11)x(1-1/12)x(1-1/13)x(1/14)x(1/15)
= 9/10 x ( -10 ) x 11/12 x 12/13 x 1/14 x 1/15
= 9/15
= 3/5
(1 – 1/10)x(1 -1/11)(1-1/12)x(1 – 1/13)x(1-1/14)x(1-1/15)
⇒9/10 x 10/11 x 11/12 x 12/13 x 13/14 x 14 /15
⇒9x10x11x12x13x14/10x11x12x13x14x15
⇒9/15=3/5
EM viết sai đề rồi