Đề 11 A B= + − − = − − + !"#$% & '&()* & + ,& (-)* .!"#$%& ''&(')*/012 34/!"#$%56,71, 8$.$"9:!)/%2;<="#>?!"#$%@ .56="# *A"B!.$1.C3;=D$"96/ EDC/0F!GH$"98AIA.AJ=D4$J**;&KL1; 0.M/5N":O<KM$6P!L=4.1.Q< RNS0N! $J<;F .TL.NU$AV0F!GH5. < +/."9$SW71W X 5YTEZN H/[..W\$<"9$SW X 71W X \$<"9$SW K"92WW X ZH[NA/Z"9$SW X N.01] 012&^[_W X $\H01L!;L^W/71H7Q5[] 8$<NH0?;`..H`)H]a`Tb"9c7Q 57FWZWNd/ZH]Ne01.^H71[] HAW X e/H`dW01ML! 8HAd01%%fg%. = 8E=6E!h^%W71%$SW X i.TE . Đề 11 A B= + − − = − − +