a )   7 3 = 2 + 1 3 = 2 1 3

b )   15 4 = 3 + 3 4 = 3 3 4

c ) − 8 3 = − 2 2 3

d ) − 23 5 = − 5 3 4

\(\dfrac{83}{250}=\dfrac{332}{1000}=0,332\)

Đáp án : \(\dfrac{83}{250}\)\(=\)\(\dfrac{332}{1000}\)\(=\)\(0,332\)

a ) 2 1 3 b ) 3 2 5 c ) − 2 2 3 . d ) − 4 1 4

96cm=0,96m= 96/100 m

72kg= 0,072 tấn=72/1000 tấn

324m= 324/1000 km = 0,324km

96cm=0,96m= \(\dfrac{96}{100}m\)

72kg= 0,072 tấn=\(\dfrac{72}{1000}\)tấn

324m= \(\dfrac{324}{1000}\) km =0,324km

\(24\%=\dfrac{24}{100}=\dfrac{6}{25}\)

\(=>\) Chọn đáp án B.

` 24%=24/100=(24:4)/(100:4)=6/25`

`->B`

a ) 1,75 = 7 4 b ) − 3,12 = − 78 25

c ) 0,63 = 63 100 . d ) − 2,19 = − 219 100

a)  1 , 32   =   33 25

b)  - 3 , 5 =   - 7 2

c)  0 , 84   =   21 25

d)  - 2 , 38   =   119 50

a) 1,32 = 33 25                              

b) -3,5= - 7 2

c) 0,84 = 21 25                                      

d) -2,38 =  119 50

a: \(=-\dfrac{7}{20}\)

b: \(=\dfrac{9}{4}\)

c: \(=-\dfrac{17}{25}\)