Bài toán: Chuyển các hỗn số sau thành phân số
2 1/6, 5 2/6
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23/4=\(5\dfrac{3}{4}\)
41/5=\(8\dfrac{1}{5}\)
57/6=\(9\dfrac{3}{6}\)
-26/6=\(-4\dfrac{2}{6}\)
-8/3=\(-2\dfrac{2}{3}\)
\(\dfrac{23}{4}=5\dfrac{3}{4}\)
\(\dfrac{41}{5}=8\dfrac{1}{5}\)
\(\dfrac{57}{6}=9\dfrac{3}{6}\)
\(-\dfrac{26}{6}=-4\dfrac{2}{6}\)
\(-\dfrac{8}{3}=-2\dfrac{2}{3}\)
\(2\dfrac{3}{4}=\dfrac{2\times4+3}{4}=\dfrac{11}{4}\\ 3\dfrac{4}{5}=\dfrac{3\times5+4}{5}=\dfrac{19}{5}\\ 4\dfrac{3}{5}=\dfrac{4\times5+3}{5}=\dfrac{23}{5}\\ 11\dfrac{12}{13}=\dfrac{11\times13+12}{13}=\dfrac{155}{13}\\ 12\dfrac{11}{13}=\dfrac{12\times13+11}{13}=\dfrac{167}{13}\\ 3\dfrac{3}{5}=\dfrac{3\times5+3}{5}=\dfrac{18}{5}\)
2\(\dfrac{3}{4}\)=\(\dfrac{11}{4}\)
3\(\dfrac{4}{5}\)=\(\dfrac{19}{5}\)
4\(\dfrac{3}{5}\)=\(\dfrac{23}{5}\)
11\(\dfrac{12}{13}\)=\(\dfrac{155}{13}\)
12\(\dfrac{11}{13}\)=\(\dfrac{167}{13}\)
3\(\dfrac{3}{5}\)=\(\dfrac{18}{5}\).
18/25=72/100
91/4=2275/100
37/20=185/100
86/125=688/1000
71/8=8875/1000
\(1\frac{8}{25}=\frac{33}{25}=1.32\)
\(9\frac{1}{4}=\frac{37}{4}=9.25\)
\(3\frac{7}{20}=\frac{67}{20}=3.35\)
\(8\frac{6}{125}=\frac{1006}{125}=8.048\)
\(7\frac{1}{8}=\frac{57}{8}=7.125\)
a/\(2\frac{1}{3}=\frac{2.3+1}{3}=\frac{7}{3}\)
\(4\frac{2}{5}=\frac{4.5+2}{5}=\frac{22}{5}\)
\(3\frac{1}{4}=\frac{3.4+1}{4}=\frac{13}{4}\)
\(9\frac{5}{7}=\frac{9.7+5}{7}=\frac{68}{7}\)
\(11\frac{3}{10}=\frac{11.10+3}{10}=\frac{113}{10}\)
b/\(5\frac{2}{17}=\frac{5.17+2}{17}=\frac{87}{17}\)
\(3\frac{6}{23}=\frac{3.23+6}{23}=\frac{75}{23}\)
\(7\frac{4}{9}=\frac{7.9+4}{9}=\frac{67}{9}\)
\(121\frac{15}{100}=\frac{121.100+15}{100}=\frac{12115}{100}\)
\(8\frac{3}{7}=\frac{8.7+3}{7}=\frac{59}{7}\)
\(\dfrac{7}{5}=1,4\\ \dfrac{34}{20}=1,7\\ \dfrac{25}{50}=0,5\\ \dfrac{6}{25}=0,24\\ \dfrac{24}{125}=0,192\)
\(6\dfrac{1}{7}\times1\dfrac{6}{7}\)
\(=\dfrac{43}{7}\times\dfrac{13}{7}\)
\(=\dfrac{559}{49}\)
#Toru
\(6\dfrac{1}{7}\times1\dfrac{6}{7}=\dfrac{43}{7}\times\dfrac{13}{7}=\dfrac{559}{49}\)
huhu mk mới hoklowps 4
\(\frac{13}{6}\)và \(\frac{30}{6}\)