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A/
12= 22.3
60=22.3.5
ƯCLN(12,60)=22.3.5=60
B/
24=23.3
88=23.11
ƯCLN(24,88)=23.3.11=264
C/
96=25.3
224= 25.7
ƯCLN(96,224)=25.3.7=672
D/
34=2.17
96=25.3
ƯCLN(34,96)=25.3.17=1632
Chúc bạn học tốt
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a: UCLN(24;108)=12
b: UCLN(60;72)=12
c: UCLN(96;192)=96
d: UCLN(24;36;160)=4
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,24=2^3\cdot3;108=2^2\cdot3^3\\ \RightarrowƯCLN\left(24,108\right)=2^2\cdot3=12\\ b,60=2^2\cdot3\cdot5;72=2^3\cdot3^2\\ \RightarrowƯCLN\left(60,72\right)=2^2\cdot3=12\\ c,96=2^5\cdot3;192=2^6\cdot3\\ \RightarrowƯCLN\left(96,192\right)=2^5\cdot3=96\\ d,24=2^3\cdot3;36=2^2\cdot3^2;160=2^5\cdot5\\ \RightarrowƯCLN\left(24,36,160\right)=2^2=4\)
a,24=23⋅3;108=22⋅33⇒ƯCLN(24,108)=22⋅3=12b,60=22⋅3⋅5;72=23⋅32⇒ƯCLN(60,72)=22⋅3=12c,96=25⋅3;192=26⋅3⇒ƯCLN(96,192)=25⋅3=96d,24=23⋅3;36=22⋅32;160=25⋅5⇒ƯCLN(24,36,160)=22=4
![](https://rs.olm.vn/images/avt/0.png?1311)
B = 3 +6 + 12 +24 + 48 +96
2.B = 2 . ( 3+ 6 +12 +24 +48 +96 )
2B = 6 +12 +24 +48 + 96 +192
=> B = 2B = 192 -3 = 189
chắc vậy , mik ko nhớ lắm
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\(\dfrac{7}{96} - \dfrac{24}{-27}- \dfrac{12}{18}=\dfrac{85}{288}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(96-7\left(x+1\right)=14^4:14^3\)
\(\Rightarrow96-7\left(x+1\right)=14^{4-3}\)
\(\Rightarrow96-7\left(x+1\right)=14\)
\(\Rightarrow7\left(x+1\right)=96-14\)
\(\Rightarrow7\left(x+1\right)=82\)
\(\Rightarrow x+1=\dfrac{82}{7}\)
\(\Rightarrow x=\dfrac{82}{7}-1\)
\(\Rightarrow x=\dfrac{75}{7}\)
b) \(\left(5x+3^4\right)\cdot2^4=2^6\cdot7^2\)
\(\Rightarrow5x\cdot2^4+3^4\cdot2^4=2^6\cdot7^2\)
\(\Rightarrow5x\cdot2^4+6^4=\left(2^3\cdot7\right)^2\)
\(\Rightarrow80x+1296=3136\)
\(\Rightarrow80x=1840\)
\(\Rightarrow x=\dfrac{1840}{80}\)
\(\Rightarrow x=23\)
a: =>96-7(x+1)=14
=>7(x+1)=82
=>x+1=82/7
=>x=75/7
b =>5x+81=2^2*7^2=196
=>5x=115
=>x=23
4^3=64
4.49=196
( 96 : 24 ) 3 = 43 = 64
22 . 72 = 4 . 49 = 196
Chúc bạn học tốt!!!