??????

???
1???????
2???????2 cm2?
3?5%1%?
4???????50??
5?????
6??????????????
7???1 cm2??
8???50cm2??
9???30%??
10???34?????
11?????????
12???100 cm2?
13??????????
14????
15????????
16??0.5??0.8?
17??0.8?
18????????
19???1/3??
20?????
21?????????
22???????????
23??
24???
25???
26?...

?08????????????????

? ? ???? ?? ?????????????????162????175?50?? ????168?185?54?? ??????158????48?? ???158?45?? ???? ? ???????????????? ??????????? ???????????????? ? ???????? ???????? ??????????????? ??2?????????7??4?????? ?????????????????????? ???????? ? ?????? ? ??????????????0.5??????? ??...

????????? ???????????????????????? ??????????????????????????????????????????? ???????????????? ??????????23???????????????????? ???????????50????????????????????????? ???????40??????????????10???????????????????????????????????24 ?????????????????????????`???????????

?????????????????????????????6???
1.???77.1%???????????????????
2. ??????????????????????
3. ??????????
4. ????????????????????????????????70%??
5. ???????????????????????????????
6. ? ?????????????30%????
?????????????????????????????????????

???????????????????????????????????????
???????????????...

1)??????????????????????????
(2)???????????????????????????
(3)?????193?????????????
(4)????????????????????????????
?????????????????????????????26????1.00D?^
?? ?????????????????????????????????????????????
(1)?????
(2)???????
(3)???????
(4)???
???
1.?: ???,???
2. : ?????30, ???
3. ??:...