ta có :(9/16)^2016.(16/9)^2015.4/3=9^2016/16^2016.16^2015/9^2015.4/3

=9^2016.16^2015.4/16^2016.9^2015.3=1/2

bạn viết ra giấy cho dễ nhìn nhá

sai r bn ơi

-_-

không hiểu

(9/16)^2016.(16/9)^2015.4/3

9/16.(9/16)^2015.(16/9)^2015.4/3

9/16.(9/16.16/9)^2015.4/3

9/16.1^2015.4/3

9/16.1.4/3

=>9/16.4/3=3/4

=\(\frac{9^{2016}}{16^{2016}}.\frac{16^{2015}}{9^{2015}}.\frac{4}{3}\)

=\(\frac{9}{16}.\frac{4}{3}\)

=\(\frac{3}{4}\)

k cho mk nhoa

\(\left(\frac{9}{16}\right)^{2016}.\left(\frac{16}{9}\right)^{2015}.\frac{4}{3}\)

\(=\left[\frac{9}{16}\left(\frac{9}{16}\right)^{2015}\right].\left(\frac{16}{9}\right)^{2015}.\frac{4}{3}\)

\(=\frac{9}{16}\left[\left(\frac{9}{16}\right)^{2015}.\left(\frac{16}{9}\right)^{2015}\right].\frac{4}{3}\)

\(=\frac{9}{16}\left[\left(\frac{9}{16}.\frac{16}{9}\right)^{2015}\right].\frac{4}{3}\)

\(=\frac{9}{16}.1^{2015}.\frac{4}{3}\)

\(=\frac{9}{16}.\frac{4}{3}\)

\(=\frac{3}{4}\)

\(\left(-1^2\right)^2-\frac{9}{16:9^4}+25\%\)

\(=1-\frac{9}{16:9^4}+25\%\)

\(=1-\left(-14658,25\right)\)

\(=1+14658,25\)

\(=14659,25\)

mk tính ra số thập phân nha tại ko đổi ra phân số được mong thông cảm

( \(\frac{-1^2}{2}\) ) - \(\frac{-9}{16}\) : \(\frac{9}{4}\) + 25%

= \(\frac{1}{4}\) - \(\frac{-9}{16}\) . \(\frac{4}{9}\) + \(\frac{1}{4}\) 

= \(\frac{1}{4}\) - ( \(\frac{-9}{16}\) . \(\frac{4}{9}\) ) + \(\frac{1}{4}\)

= \(\frac{1}{4}\) - \(\frac{-1}{4}\) + \(\frac{1}{4}\)

= \(\frac{3}{4}\)

có bao nhiêu số 16 vậy

đây,có 18 số 16

a) B = 5/16 : 0,125 - ( 9/4 - 0,6 ) * 10/11

B = 5/16 * 8 - 9/4 * 10/11 + 0,6 * 10/11

B = 5/2 - 45/22 + 3/11

B = 55/22 - 45/22 + 6/22

B = 8/11

b) \(\left(\frac{1}{2}+1\right)\left(\frac{1}{3}+1\right).....\left(\frac{1}{99}+1\right)\)

\(=\frac{3}{2}.\frac{4}{3}.\frac{5}{4}.....\frac{100}{99}\)

\(=\frac{3.4.5.....100}{2.3.4.....99}\)

\(=\frac{\left(3.4.....99\right).100}{2\left(3.4.....99\right)}\)

\(=\frac{100}{2}\)

\(=50\)

a)B= 5/6 : 1/8 - (9/4 - 3/5 ) * 10/11

= 5/2 - 33/20 * 10/11

= 5/2 - 3/2

= 1

b) 3/2.4/3.5/4....100/99

= 3.4.5...100/2.3.4...99

=100/2

=50