Question

bài 1: tính rồi rút gọn 

3/5:3/4

2/5:3/10

giúp mình với 

Answer 1

A)4/5

B)4/3

Answer 2

3/5:3/4=3/5*4/3=4/5        2/5:3/10=2/5*10/3=4/3

Answer 3

1/20

1/75

Answer 4

a là 4/5 

b là 4/3 

mk chúc bạn hok thật giỏi nha

Answer 5

Trả lời :

4/5 

4/3 nhaaa:3

@Phuonwkhank

~học tốt~

Answer 6

a 4/5

b 4/3

Answer 7

A)4/5

B)4/3

HT NHA

Answer 8

4/5 4/3

Answer 9

\(\frac{3}{5}\div\frac{3}{4}=\frac{3}{5}\times\frac{4}{3}=\frac{3\times4}{5\times3}=\frac{4}{5}.\)

\(\frac{2}{5}\div\frac{3}{10}=\frac{2}{5}\times\frac{10}{3}=\frac{2\times10}{5\times3}=\frac{2\times2\times5}{5\times3}=\frac{4}{3}\)

Answer 10

a) \(\frac{3}{5}\div\frac{3}{4}=\frac{3}{5}\times\frac{4}{3}=\frac{12}{5}\)

b) \(\frac{2}{5}\div\frac{3}{10}=\frac{2}{5}\times\frac{10}{3}=\frac{20}{15}=\frac{4}{3}\)

Answer 11

a) 4/5
b)4/3 

Answer 12

a) 4/5

b) 4/3

Answer 13

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Answer 14

thank you các bạn nha

Answer 15

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