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\(a.200+6+\frac{3}{100}=206,03.\) .
\(b.27+\frac{4}{10}+\frac{6}{100}=27,46\) .
300 + 40 + 0,05
= 340 + 0,05
= 340,05
50 + 0,6 + 0,07
= 50,6 + 0,07
= 50,67
27 + \(\frac{4}{10}+\frac{6}{100}\)
= 27 + 0,4 + 0,06
= 27,4 + 0,06
= 27,46
200 + 6 + \(\frac{3}{100}\)
= 200 + 6 + 0,03
= 206 + 0,03
= 206,03
k mk nha bạn
a, 300 + 40 + 0,05
= 340 + 0,05
= 340,05
b, 50 + 0,6 + 0,07
= 50,6 + 0,07
= 50,67
c, \(27+\frac{4}{10}+\frac{6}{100}\)
= 27 + 0,4 + 0,06
= 27,4 + 0,06
= 27,46
d, \(200+6+\frac{3}{100}\)
= 200 + 6 + 0,03
= 206 + 0,03
= 206,03
\(200+6+\frac{3}{100}\) \(27+\frac{4}{10}+\frac{6}{100}\)
= \(206+\frac{3}{100}\) = \(\frac{2700}{100}+\frac{40}{100}+\frac{6}{100}\)
= \(\frac{20600}{100}+\frac{3}{100}\) = \(\frac{2746}{100}\)
= \(\frac{20603}{100}\)
\(3\frac{2}{5}=3,4>3,25\) \(4\frac{1}{20}=4,05< 4,2\)
\(21,09< 21\frac{1}{10}=21,1\) \(8\frac{7}{20}=8,35\)
\(200+6+\frac{3}{100}=\frac{20603}{100}=206,03=206+\frac{3}{100}\)
\(27+\frac{4}{10}+\frac{6}{100}=27+\frac{23}{50}\)
Bài 2
\(3\frac{2}{5}=\frac{17}{5}=3,\: \: 4\: \: \) \(3,25=\frac{13}{4}\)
\(\Rightarrow3\frac{2}{5}>3,25\)
b)
\(4\frac{1}{20}< 4,2\)
c)
\(8\frac{7}{20}=8,35\)
1) \(4\frac{3}{10}=\frac{43}{10};21\frac{7}{100}=\frac{2107}{100};7\frac{39}{100}=\frac{739}{100};6\frac{123}{1000}=\frac{6123}{1000}\)
2)\(a,5\frac{2}{10}+7\frac{1}{10}=\frac{52}{10}+\frac{71}{10}=\frac{123}{10}\)
\(b,5\frac{6}{7}-3\frac{5}{7}=\frac{41}{7}-\frac{26}{7}=\frac{15}{7}\)
\(c,8\frac{3}{5}x2\frac{6}{7}=\frac{43}{5}x\frac{20}{7}=\frac{172}{7}\)
\(d,1\frac{3}{10}:5\frac{7}{8}=\frac{13}{10}:\frac{47}{8}=\frac{13}{10}x\frac{47}{8}=\frac{611}{80}\)
3) \(7\frac{9}{10}và4\frac{9}{10}\)
Ta có: \(7\frac{9}{10}=\frac{79}{10};4\frac{9}{10}=\frac{49}{10}\)
Suy ra: \(\frac{79}{10}>\frac{49}{10}hay7\frac{9}{10}>4\frac{9}{10}\)
\(6\frac{3}{10}và6\frac{5}{9}\)
Ta có: \(6\frac{3}{10}=\frac{63}{10};6\frac{5}{9}=\frac{59}{9}\)
Suy ra: \(\frac{63}{10}>\frac{59}{9}hay6\frac{3}{10}>6\frac{5}{9}\)
200+6+3/100
=20603/100
27+4/10+6/100
=1373/50
200+6+\(\frac{3}{100}\)=206.03
27+\(\frac{4}{10}\)+\(\frac{6}{100}\)=27.46