... nhanh:( )524 037 6 ,.,.,−( )( ) 3 10 ,37 5 .4 . 3 2−−( ) ( ) 13 0 ,37 5 . . 8 3 = − −( ) ( ) 13 0 ,37 5 . 8 . 3 = − − 13 3. 3 = 13= a) d)( )6 ,37 .(0, 4.2,5)= −6 ,37 .1= −6 ,37 = − NhiÖt ... :211650 23 4215 23 41 ++−+ , 3 1 3 1.19 .33 7 3 7 3 −a)b)4 4 5 161 0,5 23 23 21 21 = − + + + ÷ ÷ 1 1 0,5= + +2,5= 3 1 1. 19 33 7 3 3 = − ÷ ( ) 3 . 147= ... 49. 133 , 140, 141 trong SBT trang 22, 23. 133 , 140, 141 trong SBT trang 22, 23. 2 2 5 1 3 1A : ( ) 3 3 6 2 5 2−= + − − −Cho biÓu thøc:Mét HS tÝnh nh sau:2 2 5 1 3 1A ( ) : 3 3 6 2 5...