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\(\left(\frac{1}{3}+\frac{4}{2}\cdot\frac{1}{2}\right):\left(\frac{18}{9}-113\right)\)
\(=\left(\frac{1}{3}+1\right):\left(2-113\right)\)
\(=\frac{4}{3}:\left(-111\right)\)
\(=\frac{-4}{333}\)

\(\dfrac{1}{10}+\dfrac{2}{10}+\dfrac{3}{10}+\dfrac{4}{10}+\dfrac{5}{10}+\dfrac{6}{10}+\dfrac{7}{10}+\dfrac{8}{10}+\dfrac{9}{10}\)
\(=\left(\dfrac{1}{10}+\dfrac{9}{10}\right)+\left(\dfrac{2}{10}+\dfrac{8}{10}\right)+\left(\dfrac{3}{10}+\dfrac{7}{10}\right)+\left(\dfrac{4}{10}+\dfrac{6}{10}\right)+\dfrac{5}{10}\)
\(=1+1+1+1+\dfrac{5}{10}\)
\(=4+\dfrac{5}{10}\)
\(=\dfrac{45}{10}\)
\(13,25:0,5+13,25:0,25+13,25:0,125+13,25\times6\)
\(=13,25:\dfrac{1}{2}+13,25:\dfrac{1}{4}+13,25:\dfrac{1}{8}+13,25\times6\)
\(=13,25\times2+13,25\times4+13,25\times8+13,25\times6\)
\(=13,25\times\left(2+4+8+6\right)\)
\(=13,25\times20\)
\(=265\)

\(9:0,25-0,9:\frac{1}{4}\times10+22-12+2006\)
\(=36-36+22-12+2006\)
\(=10+2006\)
\(=2016\)

12,8 : 0,25 - 0,25 : 0,125
= 12,8 * 4 - 0,25 * 8
= 51,2 - 2
= 49,2
hok tốt
0,25 + 45% + 3/10 + 9
= 0,25 + 45 : 100 + 0,3 + 9
= 0,25 + 0,45 + 0,3 + 9
= 0,7 + 0,3 + 9
= 1 + 9
= 10
mik nah nhất đó
=10
kick minh nha
thank you