\(a,ƯC\left(40,24\right)=Ư\left(8\right)=\left\{...\right\}\\ b,ƯC\left(12,52\right)=Ư\left(4\right)=\left\{...\right\}\\ c,ƯC\left(36,990\right)=Ư\left(18\right)=\left\{...\right\}\\ d,ƯC\left(54,36\right)=Ư\left(9\right)=\left\{...\right\}\\ e,ƯC\left(10,20,70\right)=Ư\left(10\right)=\left\{...\right\}\\ f,ƯC\left(25,55,75\right)=Ư\left(5\right)=\left\{...\right\}\\ g,ƯC\left(80,144\right)=Ư\left(16\right)=\left\{...\right\}\\ h,ƯC\left(63,2970\right)=Ư\left(9\right)=\left\{...\right\}\\ i,ƯC\left(65,125\right)=Ư\left(5\right)=\left\{...\right\}\\ j,ƯC\left(9,18,72\right)=Ư\left(9\right)=\left\{...\right\}\\ k,ƯC\left(24,36,60\right)=Ư\left(12\right)=\left\{...\right\}\\ l,ƯC\left(16,42,86\right)=Ư\left(2\right)=\left\{..\right\}\)

a:UC(40;24)=Ư(8)

b: UC(12;52)=Ư(4)

cho 1 vé báo cáo

a) 40 và 24:

 Ta có: 40= 2^3x5

        24= 2^3x 5

  USCLN là: 2^3= 8

b) 80 và 144

 Ta có: 80= 2^4x5

        144= 2^4 x 3^2

  USCLN là: 2^4= 16

Các bài khác làm tương tự.

a) Ta có :

65 = 5 . 13

125 = 5^3

ƯCLN (65,125) = 5

ƯC ( 65,125 ) = Ư(5) = { 1; 5 }

b, Ta có:

34 = 2 . 17

72 = 2³ . 3²

132 = 2² . 3 . 11

=> ƯCLN (34; 72; 132) = 2

=> ƯC (34; 72; 132) = Ư(2) = {\(\pm\)1; \(\pm\)2}

b, Ta có:

9 = 3²

18 = 2 . 3²

72 = 2³ . 3²

=> ƯCLN (9; 18; 72) = 3² = 9

=> ƯC (9; 18; 72) = Ư(9) = {\(\pm\)1; \(\pm\)3; \(\pm\)9}

34 = 2. 17 

72 = 2. 31 

132 = 2² . 3 . 11 

UCLN ( 34; 72 ; 132 ) = 2 

ƯC(34; 72 ; 132 ) = Ư(2) = { 1; 2 } 

a: \(24=2^3\cdot3;40=2^3\cdot5\)

=>\(ƯCLN\left(24;40\right)=2^3=8\)

=>\(ƯC\left(24;40\right)=\left\{1;-1;2;-2;4;-4;8;-8\right\}\)

b: \(12=2^2\cdot3;52=2^2\cdot13\)

=>\(ƯCLN\left(12;52\right)=2^2=4\)

=>\(ƯC\left(12;52\right)=\left\{1;-1;2;-2;4;-4\right\}\)

c: \(45=3^2\cdot5;180=2^2\cdot3^2\cdot5\)

=>\(ƯCLN\left(45;180\right)=3^2\cdot5=45\)

=>\(ƯC\left(45;180\right)=\left\{1;-1;3;-3;5;-5;9;-9;15;-15;45;-45\right\}\)

d: \(27=3^3;45=3^2\cdot5;75=3\cdot5^2\)

=>\(ƯCLN\left(27;45;75\right)=3\)

=>\(ƯC\left(27;45;75\right)=\left\{1;-1;3;-3\right\}\)

a) 40 và 24

Ta có: 40 = 2³ . 5

          24 = 2³ . 3

=> ƯCLN(40; 24) = 2³ = 8

=> ƯC(40; 24) \(\in\) Ư(8)

=> ƯC(40; 24) \(\in\) Ư(8) = { 1; 2; 4; 8 }

   Các câu còn lại tương tự nha bạn

ƯCLN(24,40)=8

=>ƯC(24,40)=Ư(8)=(1,2,4,8)

các cau khac tuong tu nhe ban

tìm ƯC(24, 40)

a) ƯCLN (12 ; 18 ; 54) = 6   => ƯC(12 ; 18 ; 54) = Ư (6) = {1 ; 2 ; 3 ; 6 ; -1 ; -2 ; -3 ; -6 }

b) ƯCLN (144 ; 120 ; 170 ) = 2  => ƯC ( 140 ; 120 ; 144 ) = {1 ; 2 ; -1 ; -2}

c) ƯCLN (150 ; 350 ) = 50   => ƯC ( 150 ; 350 ) = {1 ; 2 ; 5 ; 10 ; 25 ; 50 ; -1 ; -2 ; -5 ; -10 ; -25 ; -50}

d) ƯCLN ( 1800 ; 190 ) = 10  => ƯC ( 1800 ; 190) = {1 ; 2 ; 5 ; 10 ; -1 ;-2 ; -5 ; -10}

ƯC(12;18 và 54) = {1;2;3;6}

ƯC(144;120 và 170) = {1;2}

ƯC (150 và 350) = {1;2;5;10}

a)ƯC(12,18,54) = Ư(6) = {1;2;3;6}

b)ƯC(120,144,170)= {1;2}

c)ƯC(190,1800)= {1;2;5;10}

a) 16 = 2⁴

42 = 2.3.7

ƯCLN(16; 42) = 2

ƯC(16; 42) = Ư(2) = {1; 2}

b) 16 = 2⁴

42 = 2.3.7

86 = 2.43

ƯCLN(16; 42; 86) = 2

ƯC(16; 42; 86) = Ư(2) = {1; 2}

c) 25 = 5²

75 = 3.5²

ƯCLN(25; 75) = 5² = 25

ƯC(25; 75) = Ư(25) = {1; 5; 25}

d) 25 = 5²

55 = 5.11

75 = 3.5²

ƯCLN(25; 55; 75) = 5

ƯC(25; 55; 75) = Ư(5) = {1; 5}