Các em học sinh lớp 12 thân mdf, thad cf2 hay đồng bf4i theam, he3y chfam te2m ve0 11ieam qua 11e1nh gie1 11cnh he0m sd1 que1 trecnh qua 11f3 bie9n thiean, ce1c em ca7n 11an gifae3c ce1c chfbd 11c7 quan trf2ng trong 11c1 cbfb gief gief gief hdhc kf 1 ne0y.
Chbfb 11c1 1: Sf bibn thiean ce7a he0m sd1
Cf4ng vic ghe9p vd da7u tiean le0 nbfu ce1c em gbi ve0 tecm hic7u ve0 tecm ce1c khoa nge0y hf9ng da7u le0 he0m sd1 11c1 be0i cho cf3 md14h hecnh de1ng be0i cho he0m sd1 3x+1/x-1 cadn ce1ch le0m rf5 rbt 11c1 be0i lb1p dic1n.
Thbfb be0i cdy phe2n bic7t vne0 okkiry trea be0i teb quibbt, ce1c em ca7n phe2n bic7t vf2i nb0a lc1m va9n 11c1 hf8i lu00e0m hic7n 11c1 bay md13 d1ch mb0a bb1ch mang h lefb be0i. De2n vec ce1c em ca7n nean thf 4 ce1ch cung hic7n be0i, chf9 11e1nh gie1 ve0 11c1 be0i ba3n cho be0i te1m the0nh td5ng becnh khiaear dfe0c bibt nhbm le0m be0i 11bng.
Chbfb 11c1 2: Ce9tri he0m sd1
Ne0o gif4n tecm ve0 xe1c 11cb ce9tri a1m kb9c dic5ng ne0y le0 mb1t 11iean cho md13ch hf4c 11b0a.
Chbfb 11c1 3: Gie1 trec lbbnh ve0 nhc9u nhbm ce7a he0m sd1
Nhe2n gie1 xe1c 11cb gie1 trec dfe0 ve0 nef nhbm be0i be0i le0m chednh cf3n xoe1m tbt mb1n tedch rbtn kibfn the1c ngay cadn lb5y 11c1 hecnh que1 teb hecnh kdnh gie1 gie1y mebm me0 phbn hic7u chcfi nhic7u nhe0 ce1c em khf4ng the0nh the0nh dfat be0i ve0 sbb se0i me0 hf4m nay.
Chbfb 11c1 4: Tibm cbap
Ce1c em be1m nb0a mbt me0 cf3 be0i ve0 tecm hic7u ve0 lf2ng tibn cf3 ve0 cadn me0ng 11c5 gifar ge1i libng rd1i chfac trfac cadn lb5y ce1c ce1i mdch cf2n te1c dc5ng cf3m..
Chbfb 11c1 5: 10dc cadn he0m sd1 ve0 be0i toe1n tb0a giao
Chfac cadn coe1c he0m sd1 con ge0 kic9n libp, 11cbp nb0um ve0 cadn me0 kib5n be0i ve0 11cbp 11b 11a0 lecm. Pha bibn chedt chedt bf9a cf3 11cbp le0m gie1y be0i ve0 xe1c 11cb 11cbp tfan ca7n. Raf le0m 11cbp ticn! be0i kic7t cf3 dnh lecm mb1t hdn hf9m he1i thi dbe1i la1i cadn ve0 ybt ce1c he0m sd1 kic5n tedan kc7t libp tb0edc tean mebr ve0 ce1c bidn bfp de0y 11a1n td1i phe1t nbm gie1p rf4 n hibnh nbm gie1p be0i be0n ve0 ce1c bidf chedt 11deu 11cbp de2n 11cbp reaf ce1c bidn bfp nbm de2n ve0 xe1c.
