IV. Giili thich nguphap
1) ID(lng tlt (th~ 1-t) t7 T-t
MAu cau nay dtic;tc dung d~ bi~u dl).t dfiu hi~u rn()t Slf bi@n d()ng ho(lc thay dbi rna di)ng Iii'
bi~u thi silp xity ra. Chung ta c6 th~ dung cung cac ph6 tu nhli r' ' i I: t J , I t -j -t <· J , r = ftn' <,J 'v.v. d~ bi~u thi thCii di~rn rna cac bi@n di)ng ho(lc thay dbi d6 se xity ra.
1 11 .{,,.., .;. CD ~~= t mn' i't'J ~iT-to CD ~~= t mn' i't'J ~iT-to ~ <" ~ @ t i -t <" ;j;l{ h' ")< ~ ~ i -c-t 0 ~t; ® : fl.h' <, ~ < ~: 1H i T-t o
2) Tinh Iii' duoi ' ' ( ~ .Y)} ..
Tinh Iii' duoi -f~· [;¥] -t 7 <" -t
TrO'i c6 ve scip mtia d~n ndi r6i.
Hoa anh dao triing c6 ve silp nit.
Tu bay gi<t trC!i c6 ve se tri1ll).nh.
Mli.u cau nay di~n tit slf suy doan v~ tinh chAt d6 cua slf v~t dlfa tren ve b~ ngoiti du chtta xa.c nh~n thlfc t@ nhtt th@ nao.
IJ .1:--) IJ 'l)•i,
G) : (!) J!4 Ill;!: -9'--f 7 T-t o M6n an nay c6 ve cay.
>'r<n 1.: J: ld: t
® :fll:-k 11 il.li h' .t :" -t 7 -c-r 0 Co Ay c6 ve thong minh. -:> < ;t t J: ? ,;: -:> < ;t t J: ? ,;:
@ : (!) :IlL I ;t ;t *'. -f 7 T-t o Cai ban nay trong c6 ve chile chiln. [ ChU y l Khi n6i v~ tam trl).llg, tlnh cam cua ngttC!i khac thl chUng ta khong th~ dung nguyen cac tinh Iii' bi~u thi tlnh cii.m, tii.m tri).Dg ( i fl. L' ', n''•· L' ', :" [{ L' '. v.v.) nhli th@, rna them I-'[ -j T"t J vii dilng each bi~u thj slf suy doan tii' ve b~ ngoai.
(]) 7 fl. L -f 7 -r·-t :11 o
t-:> lt..,:: /..- t? ::_
... ;t;t, ~l;t ~(!)7 ~~f lf! L~1fl.fcA-Ti"o
Chj c6 ve vui nhi?
.. · Vang, thlfc ra thi hOm qua toi da dttc;tc c~u hiin.