Сѧ꼶ѧҵԾ ʱ䣺90 ܷ֣100֣ ÷ һ ܷ һʽ˼㡣14֣218֣36֣28֣ 1ֱд
71+= 2.3+7= 30.6= 826342
1225%= 12= = 0.2=
789253-199=
2⣬ܼҪü㷽㡣 875-37525 9.57+3.78-2.57
12.53.70.8
34108+ 877394162514-+ [+] 5153173629
3δ֪ 0.4+3.6=2.2
213112-== 3410265
ķϸд52֣ÿ1֣21֣
4ҹĿǰɳԼռ17. 93%Ѿﵽһʮһǧƽǧףддáλǣ 5.20=0.75=21:=
= % 166ʵĵλƻ
һ豭Լ3500.036=ƽ ݡ~һһһһ
7ͼAʾдɷǣC0ľ͵B0ľȣ෴ôCʾǣ
8.
3ķλǣټϣĵλͱС 89ѧУij28ף15ףһͼֽϣ5.6ףͼֽıǣͼֽĿӦס
10ѧУٶ1640ŮСŮֱŶӣҪʹÿͬÿţˣʱСŮһҪųɣš
11С5000Ԫҽծȯ3꣬4.50%ʱԻñϢԪ
12. 2003=600,0.23=0.6,
263=ʽڼ֮ͨдһ 77д
13СͬУʢ450ˮȵȸߵԲԲֱУˮ̶ͼʾԲǣףˮ̶ʾӦǣ
14һ346,10??˹ɣдһʽǰ?-?=һʽ?ͬһô?ǣĹɣ6ǣ
15ͼһΣPӵAÿ5ٶȣسεı߰ʱ뷽ǰһܣAPBõAPBPߵʱ ϵͼͼʾεǣƽס
Ƚϣȷѡ242֣ÿ1֣11֣ 16.ڣͼеӰִԼռͼ33%o
17ѧУһβƺ100С㲥١ƺԼǣ A. 150ƽ B. 1500ƽ C. 1500ƽ 18ͼУͼʾ6
2˼ 3
19һܣͼβΧһΡϵܿǣ
A.13 B.10 C.2
20ЦЦڰ༶һ飬ѵƳͼʾͳͼЦЦܽеĵǣ
Aϲʲô Bмֻ CijX
21ĸľһοܣ˫ֽԽ仯Уƽıεߣ
AɱBɷϵCϵ
22һŷֽÿСı߳1ףѵⳤ1С壨ͼСAλã1,1,1)ʾСBλã2,6,5)ʾôС CλÿԱʾɣ A.(6,2,3) B.(2,2,3) C. (2,6,3)
23ͼԳεıaܳbߣֱΧһ塢ԲֽͲٷֱDZһ档ͼȣݻǣ
A.BCԲ
24СС۵ļѧУͬһֱϣʾ˼ҳѧУСÿ75ףСÿ65ף10Уſףܵʽǣ
(75+65)10(75-65)10(75+65)(10+10)
A.B.ٺ͢C.ٺ͢
25ϣıϴѧɰ1,3,6,10,Ϊ1,4,9, 16,ΪͼпԷ֣κһ1ġ ڵġ֮͡ѡ36дڵġ֮ͣȷǣ