Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
5km2 400m2 = 5400m2
18000000m2 = 18km2
\(\dfrac{5}{4}< \dfrac{3}{4}\)
\(\dfrac{5}{6}< \dfrac{6}{5}\)
\(\dfrac{6}{8}=\dfrac{3}{4}\)
\(\dfrac{7}{3}>\dfrac{7}{5}\)
\(\dfrac{4}{6}=\dfrac{2}{3}\)
\(\dfrac{5}{15}=\dfrac{1}{3}\)
\(\dfrac{7}{14}=\dfrac{1}{2}\)
\(\dfrac{6}{24}=\dfrac{1}{4}\)
`4/7+4`
`=4/7+4/1`
`=4/7+28/7`
`=32/7`
__
`3+6/11`
`=33/11+6/11`
`=39/11`
__
`3-5/7`
`=3/1-5/7`
`=21/7-5/7`
`=16/7`
__
`21/9-2`
`=21/9-18/9`
`=3/9`
`=1/3`
__
`15/24+2`
`=15/24+48/24`
`=63/24`
`=21/16`
__
`63/45-20/25`
`=63/45-4/5`
`=63/45-36/45`
`=27/45`
`=9/15`
__
`3/4-2/8`
`=3/4-1/4`
`=2/4`
__
`6/7-5/8`
`=48/56-35/56`
`=13/56`
__
`37/45-5/9`
`=37/45-25/45`
`=12/45`
`=4/15`
__
`46/39-11/13`
`=46/39-33/39`
`=13/39`
`=1/2`
__
`5/12+3/4+1/3`
`=5/12+9/12+4/12`
`=14/12+4/12`
`=18/12`
`=3/2`
__
`1/2+3/7+11/14`
`=7/14+6/14+11/14`
`=13/14+11/14`
`=24/14`
`=12/7`
__
`7/10-(1/5+1/4)`
`=7/10-(4/20+5/20)`
`=7/10-9/20`
`=14/20-9/20`
`=5/20`
`=1/4`
__
`15/4-2/3-3/4`
`=(15/4-3/4)-2/3`
`=12/4-2/3`
`=3-2/3`
`=9/3-2/3`
`=7/3`
`4/15 < 4/13`
`7/6 > 8/9`
`14/11 > 14/19`
`5/6 >3/4`
3 m2 6 dm2 > 36 dm2 5 dm2 99 cm2 < 6 dm2
2 dm2 < 8 cm2 208 cm2 24 m2 = 240 000 cm2
Bài 1: Sắp xếp các phân số theo thứ tự tăng dần:
=> \(\frac{1}{6};\frac{5}{8};\frac{3}{4};\frac{19}{24};\frac{5}{5};\frac{4}{3}\)
3/8..<.5/8
15/24..=.5/8
9/13.<..3/4
5/6.>..2/3
3/8.<..5/8
15/24..=.5/8
9/13.<..3/4
5/6.>..2/3