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Đậu má chúng mày không giải thì tao làm sao chép được fuckkkkkkkkkkkkkk
Đjt mọe m ngta đéo rảnh để lm cho m,tự lm đê ,nghĩ đi =) có não cơ mà
\(a,24=2^3\cdot3; 10=2\cdot5\\ ƯCLN\left(10,24\right)=2\\ BCNN\left(10,24\right)=2^3\cdot3\cdot5=120\\ b,9=3^2; 24=2^3\cdot3\\ ƯCLN\left(9,24\right)=3\\ BCNN\left(9,24\right)=2^3\cdot3^2=72\\ c,12=2^2\cdot3; 52=2^2\cdot13\\ ƯCLN\left(12,52\right)=2^2=4\\ BCNN\left(12,52\right)=2^2\cdot3\cdot13=156\\ d,14=2\cdot7;21=3\cdot7;56=2^3\cdot7\\ ƯCLN\left(14,21,56\right)=7\\ BCNN\left(14,21,56\right)=2^3\cdot3\cdot7=168\\ e,8=2^3;12=2^2\cdot3;15=3\cdot5\\ ƯCLN\left(8,12,15\right)=1\\ BCNN\left(8,12,15\right)=2^3\cdot3\cdot5=120\\ f,6=2\cdot3;8=2^3;10=2\cdot5\\ ƯCLN\left(6,8,10\right)=2\\ BCNN\left(6,8,10\right)=2^3\cdot3\cdot5=120\)
e) \(24=2^3.3\)
\(84=2^2.3.7\)
\(180=2^2.3^2.5\)
\(\RightarrowƯCLN\left(24;84;180\right)=2^2.3=12\)
b) \(24=2^2.3\)
\(36=2^2.3^2\)
\(\RightarrowƯCLN\left(24;36\right)=2^2.3=12\)
g) \(56=2^3.7\)
\(140=2^2.5.7\)
\(\RightarrowƯCLN\left(56;140\right)=2^2.7=28\)
h) \(12=2^2.3\)
\(14=2.7\)
\(8=2^3\)
\(20=2^2.5\)
\(\RightarrowƯCLN\left(12;14;8;20\right)=2\)
d) \(6=2.3\)
\(8=2^3\)
\(18=2.3^2\)
\(\RightarrowƯCLN\left(6;8;18\right)=2\)
k) \(7=7\)
\(9=3^2\)
\(12=2^2.3\)
\(21=3.7\)
\(\RightarrowƯCLN\left(7;9;12;21\right)=1\)
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: \(27=3^3;45=3^2\cdot5;75=3\cdot5^2\)
=>\(ƯCLN\left(27;45;75\right)=3\)
=>\(ƯC\left(27;45;75\right)=\left\{1;-1;3;-3\right\}\)
ƯCLN (12,24,6)
a,12
b,6
c,3
d,24
Chúc bạn học tốt!
a: \(12=2^2\cdot3;18=3^2\cdot2\)
=>\(ƯCLN\left(12;18\right)=2\cdot3=6\)
b: \(24=2^3\cdot3;48=2^4\cdot3\)
=>\(ƯCLN\left(24;48\right)=2^3\cdot3=24\)
c: \(44=2^2\cdot11;121=11^2\)
=>\(ƯCLN\left(44;121\right)=11\)
d: \(36=3^2\cdot2^2;108=3^3\cdot2^2;224=2^5\cdot7\)
=>\(ƯCLN\left(36;108;224\right)=2^2=4\)
a, Ta có :
\(12=2\cdot2\cdot3=2^2\cdot3\)
\(18=2\cdot3\cdot3=3^2\cdot2\)
Thừa số nguyên tố chung là : \(2;3\)
\(ƯCLN\) \(\left(12;18\right)=2\cdot3=6\)
⇒ \(ƯCLN\) \(\left(12;18\right)\) là \(6\)
b, Ta có:
\(24=2\cdot2\cdot2\cdot3=2^3\cdot3\)
\(48=2\cdot2\cdot2\cdot2\cdot3=2^4\cdot3\)
Thừa số nguyên tố chung là : \(2;3\)
\(ƯCLN\) \(\left(24;48\right)\) \(=2^3\cdot3=8\cdot3=24\)
⇒ \(ƯCLN\) \(\left(24;48\right)\) là \(24\)
c, Ta có
\(44=2\cdot2\cdot11=2^2\cdot11\)
\(121=11\cdot11=11^2\)
Thừa số nguyên tố chung là : \(11\)
\(ƯCLN\) \(\left(44;121\right)\) \(=11\)
⇒ \(ƯCLN\) là \(11\)
d, Ta có :
\(36=2\cdot2\cdot3\cdot3=2^2\cdot3^3\)
\(108=2\cdot2\cdot3\cdot3\cdot3=2^2\cdot3^3\)
\(224=2\cdot2\cdot2\cdot2\cdot2\cdot7=2^5\cdot7\)
Thừa số nguyên tố chung là : \(2\)
\(ƯCLN\) \(\left(36;108;224\right)\) \(=2\cdot2=2^2=4\)
⇒ \(ƯCLN\) \(\left(36;108;224\right)\) là \(4\)
\(#thaolinh\)
1. UCLN ( 56 , 140 ) ==>28
2.UCLN (15 , 19 )==>1
3.UCLN (60 , 180 )==>60
4. UCLN ( 24 , 84 , 180 )==>12
5. UCLN ( 16 , 80 , 176 )==>16
6. UCLN ( 18 , 30 , 77 )==>1
a)UCLN(56,140)
56=23.7
140=2.5.7
=>UCLN(56,140)=2.7=14
b)UCLN(15,19)
15=3.5
19=1.19
=>UCLN(15,19)=1
c)UCLN(60,180)
60=22.3.5
180=22.32.5
=>UCLN(60,180)=22.3.5=60
d)UCLN(24,84,180)
24=23.3
84=22.3.7
180=22.33.5
=>UCLN(24,84,180)=22.3=12
e)UCLN(16,80,176)
16=24
80=24.5
176=24.11
=>UCLN(16,80,176)=24=16
f)UCLN(18,30,77)
18=32.2
30=2.3.5
77=7.11
=>UCLN(18,30,77)=1
Ta có 12=2^2.3
24=2^3.3
=> UCLN(12,24)=12
Ta có: 12 = 22 . 3
24 = 23 . 3
=> UCLN (12 ; 24) = 22 . 3 = 4 . 3 = 12