a)1/3
b)4/5
c)1
d)2 nha
a)=2/3-1/3= 1/3
b)=7/5-3/5= 4/5
c)=3/2-1/2= 2/2=1
d)=11/4-3/4= 8/4= 2
a) \(\frac{2}{3}-\frac{3}{9}=\frac{2}{3}-\frac{1}{3}=\frac{1}{3}\)
b) \(\frac{7}{5}-\frac{15}{25}=\frac{7}{5}-\frac{3}{5}=\frac{4}{5}\)
c) \(\frac{3}{2}-\frac{4}{8}=\frac{3}{2}-\frac{1}{2}=1\)
d) \(\frac{11}{4}-\frac{6}{8}=\frac{11}{4}-\frac{3}{4}=2\)
a) \(\frac{2}{3}-\frac{3}{9}=\frac{2}{3}-\frac{1}{3}=\frac{1}{3}\)
b) \(\frac{7}{5}-\frac{15}{25}=\frac{7}{5}-\frac{3}{5}=\frac{2}{5}\)
c) \(\frac{3}{2}-\frac{4}{8}=\frac{3}{2}-\frac{1}{2}=1\)
d) \(\frac{11}{4}-\frac{6}{8}=\frac{11}{4}-\frac{3}{4}=2\)
@muối
TL
2/3 -3/9=2/3-1/3=1/3
7/5-15/25=7/5-3/5=4/5
3/2-4/8=3/2-1/2=1
11/4-6/8=11/4=3/2=3
nha bn
HT
a) 2/3-3/9=2/3-1/3=1/3
b) 7/5-15/25=7/5-3/5=4/5
c) 3/2-4/8=3/2-1/2=2/2=1
d) 11/4-6/8=11/4-3/4=8/4=2/1=2
TL:
a) 2/3 - 3/9
2/3 - 1/3 = 1/3
b) 7/5 - 15/25
7/5 - 3/5 = 4/5
c) 3/2 - 4/8
3/2 - 1/2 = 1
d) 11/4 - 6/8
= 11/4 - 3/4
= 7/4
HT