ݷʱ : 2025/1/10 22:26:16һ µȫĶ
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1.Ϊ˽6 000ѧμӳбҵῼѧԵijɼгȡ200ijɼͳƣУ˵6 000ѧѧῼɼȫ壻ÿǸ壻200һ200.˵ȷ( )
A.4 B.3 C.2 D.1 2.еУٵ˱ͬѧڵһܵƹܵʹΪ֤9šijɹ䣬㲿м飻ܶԳijοͳij˿ͽа.ʺϲó( )
A. B. C. D. 3.ijУ꼶320ѧμѧԣȡ50ѧijɼͳƣ15ѧɼﵽ㣬ƸУ꼶ѧѧдﵽԼ( )
A.50 B.64 C.90 D.96 4.Ϊ˽2014о꼶ѧѧҵˮƽԵѧɼȡ1 000ѧѧɼ˵ȷ( ) A.2014о꼶ѧ B.ÿһ꼶ѧǸ
C.1 000꼶ѧһ D.1 000
5.ijƷƵĺϸΪ99%˵ȷ( ) A.100ƷƵĵһ99ϸ
B.100ƷƵĵһ1ϸ C.20ƷƵĵһϸ D.ʹ1ƷƵĵҲܲϸ
6.Ϊ˽ѧȡѶҪáAֽBӣC磬DߵˣEѡ(бѡֻѡһ)ĵʾȡ50ѧиʾ飬ݵĽͼͼõķʽͼеaֵ( )
A.ȫ飬26 B.ȫ飬24 C.飬26 D.飬24
7. һҵijƷĴ̳не飬õƷռ̳ͬƷ40%.ɴڹǵIJƷռͬƷ40%.ѧͳ֪ʶжϸеǷɿ__________,______________________________.
8.Ϊ˽ѧμijУԲѧ˵飬һǣƽÿμʱǶ٣4ѡ A.1.5Сʱ B.1~1.5Сʱ C.0.5Сʱ D.0.5Сʱ ݵͳͼ
Ϣ⣺
(1)εȡ__________鷽ʽ (2)㱾εѧ
(3)뽫ͼ1ѡBIJֲ
(4)У3 000ѧƸУжѧƽÿμʱ0.5Сʱ£
9.ijУ꼶1 200ѧǰȡѧܲԣɼֱΪABCDĸȼABɼΪšԽƳͳͼͳͼ.
(1)ȡμܲԵѧ
(2)ƸУ꼶ȫѧμܲԳɼΪšѧж?
10.Ϊ˽ij120 000ѧijУѧȤСռй
ݣ.
(1)С۾1 000ѧСھе20ѧǵijǷ˵ɣ
(2)УѧȤСӸߡˡ꼶ȡ1000ѧе飬ǵݣõµͳͼ.
ݳĽƸ120 000ѧǶ ٣
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