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\(15.360+150.2.27+1500\)
\(=150\left(36+54+10\right)\)
\(=150.100=15000\)
15.360+150.2.27+1500
=150.36 +150.54 +150.10
=150.(36+54+10)
=150.100
=15000
\(M=\frac{20}{8.14}+\frac{20}{14.20}+\frac{20}{20.26}+\frac{20}{26.32}\)
\(M=\frac{20}{6}\left(\frac{6}{8.14}+\frac{6}{14.20}+\frac{6}{20.26}+\frac{6}{26.32}\right)\)
\(M=\frac{20}{6}\left(\frac{1}{8}-\frac{1}{14}+\frac{1}{14}-\frac{1}{20}+\frac{1}{20}-\frac{1}{26}+\frac{1}{26}-\frac{1}{32}\right)\)
\(M=\frac{20}{6}\left(\frac{1}{8}-\frac{1}{32}\right)\)
\(M=\frac{20}{6}.\frac{3}{32}\)
\(M=\frac{5}{16}\)
k nha
\(M=\frac{5}{28}+\frac{5}{70}+\frac{5}{130}+\frac{5}{208}\)
\(M=\frac{5}{3}\cdot\left(\frac{3}{4\cdot7}+\frac{3}{7\cdot10}+\frac{3}{10\cdot13}+\frac{3}{13\cdot16}\right)\)
\(M=\frac{5}{3}\cdot\left(\frac{1}{4}-\frac{1}{7}+\frac{1}{7}-\frac{1}{10}...\frac{1}{13}-\frac{1}{16}\right)\)
\(M=\frac{5}{3}\cdot\left(\frac{1}{4}-\frac{1}{16}\right)\)
\(M=\frac{5}{3}\cdot\frac{3}{16}\)
\(M=\frac{5}{16}\)
15.360+150.2.27+1500
=15.36.10+150.54+150.10
=150.36+150.54+150.10
=150.(36+54+10)
=150.100
=15000
cứ chép thế ko cần hiểu
15 . 360 + 150 . 2 . 27 + 1500
= 15 . ( 10 . 36 ) + 150 . ( 2 . 27 ) + 150 . 10
= 15 . 10 . 36 + 150 . 54 + 150 . 10
= 150 . 36 + 150 . 54 + 150 . 10
= 150 . ( 36 + 54 + 10 )
= 150 . 100
= 15 000