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\(=\dfrac{3}{5}\\ =\dfrac{7}{9}\\ =\dfrac{4}{3}\\ =\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\dfrac{96}{72}=\dfrac{8}{9};\dfrac{45}{35}=\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\)\(\dfrac{96}{72}=\dfrac{4}{3}\)\(\dfrac{45}{35}=\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\dfrac{96}{72}=\dfrac{4}{3};\dfrac{45}{35}=\dfrac{9}{7}\)
a,3/5 b,7/9 c,3/7 d,1/5 2/3 4/3 9/7 11/3 tick cho tui
6/10=3/5
70/90=7/9
9/21=3/7
24/120=1/5
24/36=2/3
96/72=4/3
45/35=9/7
121/33=11/3
`6/10=(6:2)/(10:2)=3/5`
`70/90=(70:10)/(90:10)=7/9`
`96/72=(96:24)/(72:24)=4/3`
`45/35=(45:5)/(35:5)=9/7`
\(\dfrac{5}{10}=\dfrac{1}{2}\);\(\dfrac{12}{36}=\dfrac{1}{3}\);\(\dfrac{9}{72}=\dfrac{1}{8}\);\(\dfrac{75}{300}=\dfrac{1}{4}\);\(\dfrac{15}{35}=\dfrac{3}{7}\);\(\dfrac{4}{100}=\dfrac{1}{25}\)
\(\frac{4}{12}=\frac{4:4}{12:4}=\frac{1}{3}\)
\(\frac{24}{30}=\frac{24:6}{30:6}=\frac{4}{5}\)
\(\frac{25}{100}=\frac{25:25}{100:25}=\frac{1}{4}\)
\(\frac{60}{80}=\frac{60:20}{80:20}=\frac{3}{4}\)
\(\frac{9}{18}=\frac{9:9}{18:9}=\frac{1}{2}\)
\(\frac{60}{36}=\frac{60:12}{36:12}=\frac{5}{3}\)
\(\frac{72}{54}=\frac{72:18}{54:18}=\frac{4}{3}\)
\(\frac{35}{210}=\frac{35:35}{210:35}=\frac{1}{6}\)
4/12=1/3
24/30=4/5
25/100=1/4
60/80=3/4
9/18=1/2
60/36=5/3
72/54=4/3
35/210=1/6
Tham khảo :
(Tại mik lười ko mún ghi nên bạn tham khảo cái ảnh này nhá)
Bài 1:
a: 6/9=2/3
6/24=1/4
48/96=1/2
42/98=3/7
b: 24/36=2/3
18/30=3/5
15/120=1/8
80/240=1/3
c: 5/25=1/5
75/100=3/4
64/720=4/45
16/1000=2/125
Bài 2:
Các phân số bằng 2/3 là 34/51; 20/30; 84/126
Bài 1 :
a) 6/9 = 2/3 ; 6/24 = 1/4 ; 48/96 = 1/2 ; 42/98 = 3/7
b) 24/36 = 2/3 ; 18/30 = 3/5 ; 15/120 = 1/8 ; 80 / 240 = 1/3
c) 5 / 25 = 1/5 ; 75/100=3/4 ; 64/720=4/45 ; 16/1000=2/125
Bài 2 :
Các phân số bằng 2/3 là :
\(\text{34/51; 20/30; 84/126}\)
`6/10=3/5`
`70/9=70/9`
`96/72=4/3`
`45/35=9/7`
`24/36=2/3`
`25/100=1/4`
6/10=(6:2)/(10:2)=3/5
70/970/9 ( tối giản)
96/72=(96:24)/972:24)=4/396/72=(96:24)/972:24)=4/3
45/35=(45:5)/(35:5)=9/745/35=(45:5)/(35:5)=9/7
24/36=(24:12)/(36:12)=2/324/36=(24:12)/(36:12)=2/3
25/100=(25:25)/(100:25)=1/425/100=(25:25)/(100:25)=1/4