... A(x)-B(x)= (x-1)(x-2)(x-3)(x-4) A(x)= (x-1)(x-2)(x-3)(x-4)+B(x) A(x) = (x-1)(x-2)(x-3)(x-4)+2x-1 A(x)=x 4-1 0x3+35x 2-5 0x+24 TÝnh trªn m¸y: A(8)=7.6.5.4+2. 8-1 =855 A(9)=8.7.6.5+2. 9-1 =1697 ... 9− 0 ,200 7200 7 2+ 4− 6+ 8− 0 ,200 8200 8 200 6 200 7 200 8 + + 0 ,200 7200 8 0, 0200 7200 8 0,0 0200 7200 8 C©u ( 10 ®iĨm ) T×m x, y a, b, c, d… 42 Tuyển tập đề thi CaSiO 6 + + + .200 8 + 200 7 : ( ... 0 ,200 7200 7 4− 6+ 8− 0 ,200 8200 8 200 6 200 7 200 8 + + 0 ,200 7200 8 0, 0200 7200 8 0,0 0200 7200 8 C©u ( 10 ®iĨm ) T×m x, y a, b, c, d… 6 + + + .200 8 + 200 7 : ( x − 1) = 20 b) 47.50 2.5 5.8...