=5.32x5959+0.532x10x4+5.32x10x203.3+5.32x100x20.04

=5.32x5959+5.32x4+5.32x2003+5.32x2004

=5.32x(5959+4+2003+2004)

=5.32x9970=53040.4

= 53,2 x 595,9 + 53,2 x 0,04 + 53,2 x 203,3 + 53.2 x 200,4

= 53,2 x (595,9 + 0,04 + 203,3 + 200,4 )

= 53,2 x 999,64

= 53180,848

5.32*5959+0.532*40+53.2*203.3+532*20.04

=532*59.59+532*0.04+532*20.33+532*20.04

=532*(59.59+0.04+20.33+20.04)

=532*100

=53200

=100x99=9900

25 x 33 x 4 x 3

= (25x 4) x (33x 3)

= 100 x 99

=9900

(25x4)x(33x3)

100x99

=9900

\(25\times323-22\times25-25\\ =25\times\left(323-22-1\right)\\ =25\times300\\ =7500\)

\(=25.\left(323-22-1\right)\)

\(=25.300=7500\)

=25x(323-22-1)

=25x300

=7500

a) \(\dfrac{25}{37}\times\dfrac{18}{29}+\dfrac{18}{29}\times\dfrac{12}{37}\)

\(=\dfrac{18}{29}\times\left(\dfrac{25}{37}+\dfrac{12}{37}\right)\)

\(=\dfrac{18}{29}\times\dfrac{37}{37}\)

\(=\dfrac{18}{29}\times1\)

\(=\dfrac{18}{29}\)

b) \(\dfrac{31}{85}\times\dfrac{11}{19}+\dfrac{31}{85}\times\dfrac{12}{19}-\dfrac{42}{19}\times\dfrac{31}{85}\)

\(=\dfrac{31}{85}\times\left(\dfrac{11}{19}+\dfrac{12}{19}-\dfrac{42}{19}\right)\)

\(=\dfrac{31}{85}\times\dfrac{-19}{19}\)

\(=\dfrac{31}{85}\times-1\)

\(=-\dfrac{31}{85}\)

c) \(\dfrac{16}{53}:\dfrac{17}{9}-\dfrac{16}{53}:\dfrac{17}{8}\)

\(=\dfrac{16}{53}:\left(\dfrac{9}{17}-\dfrac{8}{17}\right)\)

\(=\dfrac{16}{53}:\dfrac{1}{17}\)

\(=\dfrac{16}{901}\)

c) \(\dfrac{1}{5}\times\dfrac{12}{31}\times\dfrac{4}{3}+\dfrac{19}{31}\times\dfrac{4}{15}\)

\(=\dfrac{4}{15}\times\dfrac{12}{31}+\dfrac{19}{31}\times\dfrac{4}{15}\)

\(=\dfrac{4}{15}\times\left(\dfrac{12}{31}+\dfrac{19}{31}\right)\)

\(=\dfrac{4}{15}\times\dfrac{31}{31}\)

\(=\dfrac{4}{15}\times1\)

\(=\dfrac{4}{15}\)

a: =18/29*(25/37+12/37)

=18/29

b: =31/85(11/19+12/19-42/19)

=-31/85

c; =16/53(9/17+8/17)=16/53

d: =4/15(12/31+19/31)=4/15

a = 2004 x (4+1+1+1+1)

=2004 x 8=16032

b = 1995 x (1+1+3)

= 1995 x 5 =9975

a, 16032

b, 9975

a,(tự viết đề)

= 2004 x (4+1+1+1+1)

=2004 x 8

=16032

b,(tự viết đề)

= 1995 x (1+1+3)

= 1995 x 5

=9975

25 * 20,04 + 4 * 20,04 - 2004 * 20,33 + 2004 * 20,04

= 25 * 20,04 + 4 * 20,04 - 2033 * 20,04 + 2004 * 20,04

= ( 25 + 4 - 2033 + 2004 ) * 20,04

= 0 * 20,04

= 0

25 x 20,04 + 4 x 20,04 - 2004 x 20,33 + 2004 x 20,04

= 25 x 20,04 + 4 x 20,04 - 20,04 x 100 x 20,33 + 2004 x 20,04

= 25 x 20,04 + 4 x 20,04 - 20,04 x 2033 + 2004 x 20,04

= 20,04 x (25 + 4 - 2033 + 2004)

= 20,04 x 0

= 0

nếu bạn biến đổi 2004 x 20,33 thành 20,04 x 100 x 20,33 xong xuống dưới thành 20,04 x 20,33 thì 100 vứt đâu rồi và 20,04 x 20,33 đâu có bằng 2004 x 20,33

làm sao mọi người đảo ngược đc 2004 x 20.33 = 20.04 x 2033 hay z