TÍNH292 1392•−•−−−− −•( )+ −− 91011,20,,8114

Bài 1 Tính

292 1392•−− −

( )

+ − 91011,08114: 3:06343326 +

a, b,

1 100

(

28,75 25,15

)

32:214

( ) ( )

+68458.455055500