a) \(\dfrac{32}{40}\) = \(\dfrac{8}{10}\)
b) \(\dfrac{15}{20}\) = \(\dfrac{75}{100}\)
c) \(\dfrac{13}{125}\) = \(\dfrac{104}{1000}\)
d) \(\dfrac{552}{600}\) = \(\dfrac{92}{100}\)
a,\(\dfrac{80}{100}\) b,\(\dfrac{75}{100}\) c,\(\dfrac{104}{1000}\) d,\(\dfrac{92}{100}\)
a, \(\dfrac{32}{40}=\dfrac{32x2,5}{40x2,5}=\dfrac{80}{100}\)
b, \(\dfrac{15}{20}=\dfrac{15x5}{20x5}=\dfrac{75}{100}\)
c, \(\dfrac{13}{125}=\dfrac{13x8}{125x8}=\dfrac{104}{1000}\)
a) 32/40=8/10=0,8
b)15/20=75/100=0,75
c) 13/125=104/1000=0,104
d)552/600=92/100=0,92
nhớ tick cho mik nha:3