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làm ơn giúp mình ,bạn nào làm nhanh đúng mình chọn cho nhanh nha mọi người
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`@` `\text {Ans}`
`\downarrow`
\(5\cdot5^3\cdot5^4\cdot5^6\)
`=`\(5^{1+3+4+6}\)
`=`\(5^{14}\)
\(5.5^3.5^4.5^6=5^{14}=6103515625\)
Chúc bạn học tốt
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![](https://rs.olm.vn/images/avt/0.png?1311)
\(52-4.\left(5.5^x+7\right)=4\)
\(\Rightarrow4.\left(5.5^x+7\right)=48\)
\(\Rightarrow5.5^x+7=12\)
\(\Rightarrow5.5^x=5\)
\(\Rightarrow5^x=1\)
\(\Rightarrow x=0\)
\(3^{x+3}-2.3^x=5^2.81\)
\(\Rightarrow3^x.27-2.3^x=2025\)
\(\Rightarrow3^x.\left(27-2\right)=2025\)
\(\Rightarrow3^x.25=2025\)
\(\Rightarrow3^x=81\)
\(\Rightarrow3^x=3^4\)
\(\Rightarrow x=4\)
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a) \(5^5\)
b) \(5^7\)
c) \(5^{19}\)
d) \(10^3\)
e) \(10.10^2.10^4.10^4=10^{11}\)
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\(=\dfrac{\left(2^4\right)^5.\left(3.5\right)^5}{2^{10}.3^5.5^4}=\dfrac{2^{20}.3^5.5^5}{2^{10}.3^5.5^4}=2^{10}.5=1024.5=5120\)
tik mik nha
![](https://rs.olm.vn/images/avt/0.png?1311)
\(6^2-\left(x+3\right)=45\)
\(36-\left(x+3\right)=45\)
\(x+3=35-45\)
\(x+3=-10\)
\(x=-13\)
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a. 25 + 3(x-8) = 106
3(x-8) = 106 - 25 = 81
x -8 = 81 : 3 = 27
x = 27 +8 = 35
b. 32(x +4) - 52 = 5.52
9(x+4) - 25 = 5.25 = 125
9(x+4) = 125 + 25 = 150(Đề sai)
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a\()\) 16/9 +3/5
=107/45
b\()\) 4/13--2/17
=51/221--26/221
=77/221
c\()\) -3/2+4/5
=-15/10+8/10
=-7/10
d\()\) 3/-4-1/4
=-1
e\()\) -1/5.5/7
=-1/7
f\()\) 7/8.64/49
=8/7
g\()\) 3/4.15/24
=15/32
TL:
4. 4. 5. 5. 5.5 = 42 . 54
= 10000
HT
4.4.5.5.5.5 = (4.5). (4.5). (5.5) = 20.20.25 = 10000