?????????

admin

?????????????????

? 1 ? ? 2 ?

????? 1?67 2?6 3?????

????36.48

??????1?5? 2?190 3?5040?5040?720?1440

?16?

????? 1?20 2?5050 3?4?6 ????100

?????? 1?7?3602?2423?8

?17?

????? 1?70 2?35759 ?3.5759 3?72 ????? 15.7

?????? 1?240?600 2?1000 3?6?17??10?31??18?

????? 1?221?130 2?73?50?150 ???? 72

?????? 1?5 2?9.33 3?16

?19?

?????1?202?28 3??? ?????14

??????1?194 2?

914

3?10

?20?

?? ??? 1?5051 2?103?48

????????

????? 1?63?66?69?72 2?153?14.6

???

? 2 ? ? 2 ?

??????????????

???????????

????????? ????? 1? ????91???????????????????????????????????????????????????????????? 2? ?????????? 3? ???????????? ???????25???? ????? ?????? ????? 1. ?????????????? 2. ???????????? 3. ??????????????????? 4. ?????????????????????? ???????26???? ????? ????? ????? 1. ???????????????????????? 2. ?????40??????????????????? ????????12?????????? ?????50???????????????????????????15?????????????????? ???????27???? ????? ?? ??????? ????? 1. ???????????????????????????????????????????????????????? 2. ????????????????????????????????????

????????????????????????????????????????????? ???????28???? ????? ?????? ????? ????????????????????????????????????

????(??????) 1. ??????????????? 2. ???????????????3. ?????????? ???????? ???????4. ????????????????????????5. ??????????????? ?????????????29???? ????? ?? ??? ????? 1. ????????????????????????? 2. ?????????????????? 3. ???????????175????210 ??? 280??????????????????????????????????????? ???????????? ?????????? ????? ?????? ????? 1. ??????????????????????????????????? 2. ???????????2????????1.2?????????????????? ??????? ??? ????? ?????? ????? 1. ??????????????????????????????????????? 2. ???????????

??????? ??? ????? ?????????? ????? 1.???????????????�1�6�?6???? 2. ?????????????????

???? ??????????????? ????????????? ??????? ??? ??????????????? ?????

1. ??????? ???? 2. ???????? ??????????? ????????????????????????????????? ??????? ??? ???????????? ????? 1. ?????????????????60????11??????????????????????????????280?????????????????????? 2. ??????????????????????????????????????62????? ??????? ??? ???????????? ????? 1. ???????????????AB??????? 2?????????????????????????? ?????????? ????? ???????? ????? 1. ??????????????????

????????

2. ???? ???? ???????? ?

3. ?????????????????????

??????? ??? ??????????? ?????

??????? ??? ?????

???????? ????? ?????????????????????????????????????????????????200???? ??????????????????????? ??????? ??? ???????????????????????????????????????????????????????????????? ?????? 1.????????????????????????????????? ? 2.?????????????????????????????????? ?????? 1??? ? 2. ???????? ? 3. ??? ? 4. ??? ? 5. ???????? ? 6.??????? ? 7. ????? ? 8. ????? ?

???????????????

????????????

????,????!

?????????????

1?????????????????????????????

????????????????????????????????

???????? ????

????????????????????????????????

????????

2??????????????????????????????

????????????????????????????

3?????4/5?1/3?1?3/4?10/3?1/2?5/6?5/11?11/12?1/10?1/2?1?

???0.65=13/20?0.8=4/5?2.25=9/4?0.24=6/25?2.05=41/20?0.375=3/8?

???12/7?12/7?31/12?2?

???3/4?7/60?4/15?25/36?

???5/6?

4??1/9?5/12?61/6?7/4???0.9??9.1??

5??????????????????????????????????

????????????????????????? ????????????????????????????532641?

7????? 0.08=4/50?0.35=7/20?0.625=25/24?1.15=23/20?

1.65=33/20

?????=???

???13/15?2/3?5/6?-1/4?1?6/7?4?73/8?11/4?27?27/40?

1/4

???X=0?X=1.3?X=0.5

8??X=20/3

???91/?11/6?0.8?97/85?

???3.5?4/15

???130/3???450??3/2??

9??????????????????????????????????

???????

??????????????

??????????????????????? ?????��??�.???��?�.???�?��?

??�??�?

10?????3/20?0.75?0.75?30?0.2?0.3?0?3/2?8/15?2/3?48/5?

4/7

????=?=

???7/5?1/9?8/15?4

???2�?1-3/8?=5/4???9�?1-2/5?=15?? ???47/45?103/3?5/8?0.6?

???0.7

11??16/81?21/5

???600?

???4000?

????16/3�3/10=8/5?16/5�1/2=8/5

12????????????????????????????

?????�???�????�??�???????�???�???

�??????�

??????????????�?????????????

13?????0.35?0.64?1.45?5/12

???15�3/5=9?4/5�2/3=1.2?4/7�5/9=20/63?

3/4�9/10=5/6

???X=15/8?X=7/16?X=8/15

???20/3�12=5/9?20/3�5/9=12

???4/3?1/5?2/5,1?2?0.5?0

???7/5�8/5=56/25

14?????????????????????????????????

?????

???????????????????

15?????5?7?1?75/90?24/90?75=24/90?11/10?1/3?7?0.0424?

0.12?0.6?2.035

???0.8?1.19?0.5?1.27?9/4?1?1.5?8.5?19/12?5/6

???���??

???1/9?47/15?5

???4/5?3/4?5/6=17/12

16??1.??????????????????????????????

??????

2.??????????????????????????????

???????????????????

3.????????�???�?????�????�????

4. ? ? ? . . ? ?

5.?????????????

17?????1?2/3?1/12?13/24?1.13?4/3?70/3?6.5?26/7?2

???5/3?3/2?2?0?43/3

????1/3?5/12?�4/9=5/27?12-4/5=56/5

???5/6�2+4/7�2=125/42

???12-11/5-?11/5?7/10?=69/10???

18?????????????????????????????????

?

??????????????????????????????

????????????????????????? 19?????347/40?0?13/42?222/7

???X=5/24?X=41/39?X=19/36?X=1/8

???3/5+1/4=17/20?35/24-?7/8+5/12?=13/24?3/8�2��1/3=1/4

???35.7?35.7-4.6=66.8?????34.5�?2000�100?


??????????????????
?????http://www.850500.com/news/59810.html
?????,??!