36/108=1/3

75/105=5/7

1212/3636=1/3

75/100=3/4

k cho minh nhe

kb với mình ko?

35/85=7/17

36/108=4/19

25/100=1/4

39/52=39/52

9 × 4 × 101 + 108 × 21 - 64 × 36

= 36 × 101 + 36 × 3 × 21 - 64 × 36

= 36 × (101 + 3 × 21 - 64)

= 36 × (101 + 63 - 64)

= 36 × 100

= 3600

`# \text {DNamNgV}`

`9 \times 4 \times 101 + 108 \times 21 - 61 \times 36`

`= 36 \times 101 + 36 \times 63 - 61 \times 36`

`= 36 \times (101 + 63 - 61)`

`= 36 \times 103`

`=3708`

9 x 4 x 101 + 108 x 21 - 61 x 36

= 36 x 101 + 36 x (3 x 21) - 61 x 36 

= 36 x (101+63 - 61)

= 36 x 103

= 36 x 100 + 36 x 3

= 3600+108

= 3708

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TL

các P/s bằng nhau là

   3/4=36/48; 9/13=54/78=108/256; 5/7=75/105; 2/9=42/189.

nha  bn

HT

TL:

\(\frac{3}{4}=\frac{36}{48}\)

\(\frac{2}{9}=\frac{42}{189}\)

\(\frac{5}{7}=\frac{75}{105}\)

\(\frac{9}{13}=\frac{108}{156}\)

Còn dư phân số : 54/78

_HT_

các bạn hãy giúp mình

185000 nha

\(\dfrac{75}{100}=\dfrac{3}{4};\dfrac{63}{126}=\dfrac{1}{2}\\ \dfrac{36}{27}=1\dfrac{1}{3};\dfrac{81}{54}=1\dfrac{1}{2};\dfrac{105}{405}=\dfrac{7}{27}\)

\(\dfrac{3}{4}\)

\(\dfrac{1}{2}\)

\(\dfrac{4}{3}\)

\(\dfrac{3}{2}\)

\(\dfrac{4}{15}\)

TL:

\(120.\frac{185}{74}\)

\(=\frac{22200}{74}=300\)