11/10,5=6,32/x
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\(\frac{11}{10,5}=\frac{6,32}{x}\)\(\Rightarrow\) 11x = 10,5 . 6,32
11x = 66,36
x = 6,032(72)
\(\frac{11}{10,5}=\frac{6,32}{x}\Rightarrow x=\frac{6,32.10,5}{11}=\frac{1659}{275}\)
\(\frac{11}{10,5}=\frac{6,32}{x}\)
\(\Rightarrow11.x=6,32.10,5\)
\(\Rightarrow11.x=66,36\)
\(\Rightarrow x=66,36:11\)
\(\Rightarrow x=\frac{1659}{275}\)
Vậy \(x=\frac{1659}{275}.\)
Chúc bạn học tốt!
a) \(\frac{11}{10,5}=\frac{6,32}{-x}\)
\(6,32:\frac{11}{10,5}=x\)
\(\frac{1659}{275}=x\)
b) \(\frac{x-1}{x+5}=\frac{6}{7}\)
\(\Rightarrow7x-7=6x+30\)
\(7x-6x=30+7\)
\(x=37\)
c) \(\frac{x^2}{6}=\frac{24}{25}\)
\(x^2=\frac{144}{25}\)
\(x=\frac{12}{5}\)
d) \(x:0,16=9:x\)
\(\frac{x}{0,16}=\frac{9}{x}\)
\(x^2=1,44\)
\(x=1,2\)
= 3 x 32,1 - 3 x 6,32 + 7 x 32,1 + 3 x 6,32
= 32,1 x (3 + 7) + 6,32 x (3 - 3)
= 321 + 0
=321
\(\dfrac{7,5+1,5+\dfrac{5}{4}+\dfrac{5}{11}}{10,5+2,1+\dfrac{7}{4}+\dfrac{7}{11}}+x=\dfrac{6}{7}\)
\(\dfrac{9+\dfrac{5}{4}+\dfrac{5}{11}}{\dfrac{63}{5}+\dfrac{7}{4}+\dfrac{7}{11}}+x=\dfrac{6}{7}\)
\(\dfrac{\dfrac{36}{4}+\dfrac{5}{4}+\dfrac{5}{11}}{\dfrac{252}{20}+\dfrac{35}{20}+\dfrac{7}{11}}+x=\dfrac{6}{7}\)
\(\dfrac{\dfrac{41}{4}+\dfrac{5}{11}}{\dfrac{287}{20}+\dfrac{7}{11}}+x=\dfrac{6}{7}\)
\(\dfrac{\dfrac{451}{44}+\dfrac{20}{44}}{\dfrac{3157}{220}+\dfrac{140}{220}}+x=\dfrac{6}{7}\)
\(\dfrac{\dfrac{471}{44}}{\dfrac{3297}{220}}+x=\dfrac{6}{7}\)
\(\dfrac{5}{7}+x=\dfrac{6}{7}\)
\(x=\dfrac{6}{7}-\dfrac{5}{7}\)
\(x=\dfrac{1}{7}\)
\(=3\cdot32.1-3\cdot6.32+7\cdot32.1+3\cdot0.32\)
\(=32.1\cdot10-3\cdot6=321-18=303\)
\(\frac{11}{10,5}=\frac{6,32}{x}\)
\(\Rightarrow11x=10,5\times6,32\)
\(\Rightarrow11x=66,36\)
\(\Rightarrow x=6,0327\)