a) \(\frac{3^2.2^4}{8.3^2}=\frac{3^2.2^4}{2^3.3^2}=2\)
b)\(\frac{84.45}{49.54}=\frac{2^2.7.3^3.5}{7^2.2.3^3}=\frac{10}{7}\)
c) \(\frac{36.10.21}{2^3.63.35}=\frac{2^3.3^3.5.7}{2^3.3^2.5.7^2}=\frac{3}{7}\)
d) \(\frac{16.29-32}{16.37+32}=\frac{16.29-16.2}{16.37+2.16}=\frac{16.\left(29-2\right)}{16.\left(37+2\right)}=\frac{27}{39}=\frac{9}{13}\)
rút gọn phân số
\(y=\frac{16.29-32}{16.37+32}\)
Rút gọn:
\(\frac{16.29-32}{16.37+32}\)
Rút gọn:
\(16*29-32\over16.37+32\)
\(\frac{16.29-32}{16.37+32}\)
Rút gọn:
\(16.29-32\over16.37+32\)
Rút gọn các phân số sau:
20/45 ; 14/35;-32/44
Rút gọn các phân số sau:
a ) ( − 3 ) .8 8.6 ; b ) ( − 7 ) .13 7. ( − 13 ) ; c ) ( − 5 ) .11 ( − 10 ) . ( − 11 )
d ) ( − 14 ) . ( − 5 ) 10.14 ; e ) ( − 14 ) . ( − 15 ) ( − 5 ) .21 ; f ) ( − 32 ) . ( − 9 ) .3 6.27.8
rút gọn các phân số
a)15.47-47.16/-15-32
b)123.5-123.17/36.82
Rút gọn phân số: \(\dfrac{-270}{450}\);\(\dfrac{11}{-143}\);\(\dfrac{32}{12}\);\(\dfrac{-26}{-156}\)
Rút gọn phân số :-72/45 ;9/21 ;-16/44;-15/-35;-20/-55;-32/20
