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\(a,2^x.100=100^4\) \(b,100^3:2^x=100\)
\(\Rightarrow2^x=100^4:100\) \(\Rightarrow2^x=100^3:100\)
\(\Rightarrow2^x=100^3\) \(\Rightarrow2^x=100^2\)
\(\Rightarrow x=\sqrt{100^3}\) \(\Rightarrow x=\sqrt{100^2}\)
\(\Rightarrow x=1000\) \(\Rightarrow x=100\)
VẬY X=1000 VẬY X=100
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(x-5).3/10=2000+5
(x-5).3/10=2005
x-5=2005:3/10
x-5=2005.10/3
x-5=20050/3
x=20050/3 +5
x=20065/3
\(\left(x-5\right)\)\(.\)\(\frac{30}{100}\)\(=\)\(20\times100+5\)
\(\left(x-5\right)\)\(.\)\(\frac{3}{10}\)\(=\)\(2005\)
\(\left(x-5\right)\)\(=\)\(2005\)\(\div\)\(\frac{3}{10}\)
\(\left(x-5\right)\)\(=\)\(2005\)\(.\)\(\frac{10}{3}\)
\(\left(x-5\right)\)\(=\)\(\frac{20050}{3}\)
\(x=\frac{20055}{3}\)
Hok tốt
trùng hợp thế mình cũng bị lừa để cướp nick
tao ăn trộm nick của mi khi mô mà mi nói