问题
选择题
化简求值:(
|
答案
原式=(
a4b7+3 4
a3b8-1 2
a2b6)÷(1 9
a2b6)=1 9
a2b+27 4
ab2-1,9 2
当a=
,b=-4时,上式=1 2
×27 4
×(-4)+1 4
×9 2
×16-1=1 2
.113 4
故选D.
化简求值:(
|
原式=(
a4b7+3 4
a3b8-1 2
a2b6)÷(1 9
a2b6)=1 9
a2b+27 4
ab2-1,9 2
当a=
,b=-4时,上式=1 2
×27 4
×(-4)+1 4
×9 2
×16-1=1 2
.113 4
故选D.
阅读短文,判断下列句子是否符合短文内容。符合的写(A),不符合的写(B),短文中未提到 的写(C)。 | ||||
films in Feiyang Cinema this week
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( )1. You can see two foreign films in Feiyang Cinema this week. ( )2. If you want to see the film which was directed by Feng Xiaogang, go to the cinema on Thursday. ( )3. If two children want to see a film on Sunday, they each should pay ¥15. ( )4. The ticket price of the four films is the same. ( )5. HARRY POTTER (III) is less interesting than KUNGFU HUSTLE and A WORLD WITHOUT THIEVES. |