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Ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttat ca nhan voi 7/5 nua
2x3x4x8x50x25x125
=(2x50)x(4x25)x(8x125)x3
=100x100x1000x3
=10000000x3=30000000
A = \(\frac{1}{1}-\frac{1}{1000}=\frac{999}{1000}\)
Tick mình nhé !
\(a,\frac{1}{2}\times\frac{4}{5}\div\frac{6}{10}\)
\(=\frac{2}{5}\div\frac{6}{10}\)
\(=\frac{2}{5}\times\frac{10}{6}\)
\(=\frac{2}{3}\)
\(b,\frac{24}{35}\div\left(\frac{4}{5}\times\frac{8}{7}\right)\)
\(=\frac{24}{35}\div\frac{32}{35}\)
\(=\frac{24}{35}\times\frac{35}{32}\)
\(=\frac{3}{4}\)
\(\frac{5}{8}:x=\frac{3}{4}\)
\(x=\frac{5}{8}:\frac{3}{4}\)
\(x=\frac{5}{6}\)
\(\frac{2}{4}+\frac{3}{4}:\frac{1}{2}\)
\(=\frac{2}{4}+\frac{6}{4}\)
\(\frac{8}{4}=2\)
Hok tốt
a, \(y-\frac{1}{6}=\frac{5}{6}\)
\(y=\frac{5}{6}+\frac{1}{6}\)
\(y=1\)
b, 1295.23-16839
=29785-16839
=12946
_HT_
\(A=\frac{1999\times2001-1}{1998+1999\times2000}=\frac{1999\times2000+1999-1}{1998+1999\times2000}=\frac{1999\times2000+1998}{1998+1999\times2000}=1\)
Ko vo A =