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\(\frac{5}{6}-x=\frac{2}{3}\)
\(\Rightarrow x=\frac{5}{6}-\frac{2}{3}=\frac{1}{6}\)
std well
a) \(\frac{6}{5}\)- \(\frac{2}{3}\)= \(\frac{18}{15}\)- \(\frac{10}{15}\)= \(\frac{8}{15}\)
b) 1 - \(\frac{4}{5}\)= \(\frac{5}{5}\)- \(\frac{4}{5}\)= \(\frac{1}{5}\)
c) \(\frac{5}{12}\)- \(\frac{1}{4}\)= \(\frac{5}{12}\)- \(\frac{3}{12}\)= \(\frac{2}{12}\)= \(\frac{1}{6}\)
d) \(\frac{7}{8}\) - \(\frac{1}{6}\) = \(\frac{21}{24}\) - \(\frac{4}{24}\)= \(\frac{17}{24}\)
~HT~
a) 6/5 - 2/3 = 8/15
b) 1 - 4/5 = 1/5
c) 5/12 - 1/4 = 1/6
d) 7/8 - 1/6 = 17/24
HT~
a) 4 756+9xX=8 788 b)X-176-242=357
9xX=8 788-4 756 X-176 =357+242
9xX=4 032 X-176 =599
X=4 032:9 X =599+176
X=448 X =775
C)X:2:3=150 D)Xx6+160=196
X:2 =150x3 Xx6 =196-160
X:2 =450 Xx6 =36
X 450x2 X =36:6
X =900 X =6
K CHO TÔI NHA
a) 2/4; 3/6; 4/8; 5/10
b) 160/200; 240/300; 320/400; 400/500
a)\(\frac{1}{2}=\frac{2}{4}=\frac{3}{6}=\frac{4}{8}=\frac{5}{10}\)
b)\(\frac{80}{100}=\frac{40}{50}=\frac{20}{25}=\frac{4}{5}=\frac{16}{10}\)
x=4/3:1/6
x=8
\(\frac{4}{3}:x=\frac{1}{6}\)
\(x=\frac{4}{3}:\frac{1}{6}\)
\(x=8\)
Vậy x=8