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a) \(\frac{10}{27}\)
b)\(\frac{44}{15}\)
c)\(\frac{100}{147}\)
tích đúng cho mình nhé bạn
a, 1,2 : 3,24 = 120 : 324 = 10 : 27
b, = 11/5 : 3/4 = 44 : 15
c, = 2:2,94 = 200:294 = 100:147
a)\(1,5:2,16=15:216=5:72\)
b)\(4\dfrac{2}{7}:\dfrac{3}{5}=\dfrac{30}{7}:\dfrac{3}{5}=\dfrac{30}{7}.\dfrac{5}{3}=\dfrac{50}{7}=50:7\)
c)\(\dfrac{\dfrac{2}{9}}{0,31}=\dfrac{2}{9}:\dfrac{31}{100}=\dfrac{2}{9}.\dfrac{100}{31}=\dfrac{31}{450}=31:450\)
a) 1,2 : 3,24 = 12/10 : 324/100 = 12/10 . 100/324 = 1/1 . 10/27 = 10/27 = 10:27
b) 2 1/5 : 3/4 = 11/5 : 3/4 = 11/5 . 4/3 = 44/15 = 44:15
c) 2/7 : 0.42 = 2/7 : 42/100 = 2/7 . 100/42 = 2/7 . 50/21 = 100/147 = 100;147
a, Ta có : \(1,2=\dfrac{12}{10}=\dfrac{6}{5}\) ; \(3,36=\dfrac{84}{25}\)
=> \(1,2:3,36=\dfrac{6}{5}:\dfrac{84}{25}=\dfrac{5}{14}\)
b, Ta có : \(3\dfrac{1}{7}:2\dfrac{5}{14}=\dfrac{22}{7}:\dfrac{33}{14}=\dfrac{4}{3}\)
c,\(\dfrac{3}{8}:0,54=\dfrac{3}{8}:\dfrac{27}{50}=\dfrac{25}{36}\)
a) \(1,2:3,36=\dfrac{6}{5}:\dfrac{84}{25}=\dfrac{5}{14}\)
b)\(3\dfrac{1}{7}:2\dfrac{5}{14}=\dfrac{22}{7}:\dfrac{33}{14}=\dfrac{4}{3}\)
c)\(\dfrac{3}{8}:0,54=\dfrac{3}{8}:\dfrac{27}{50}=\dfrac{25}{36}\)
a) 1,2: 3,24 = 120 : 324 = 10:27
b)
= 
c)
= 