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袋中有5只同样大小的球,编号为1,2,3,4,5.从袋中同时取出3只球,以X表示取出的球的最大号码,求X的分布律.

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更多“袋中有5只同样大小的球,编号为1,2,3,4,5.从袋中同时…”相关的问题

第1题

Organic agriculture is quite different from the traditional one.A.YB.NC.NG

Organic agriculture is quite different from the traditional one.

A.Y

B.N

C.NG

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第2题

Organic agriculture accounts for the biggest proportion of the American agriculture.A.YB.N

Organic agriculture accounts for the biggest proportion of the American agriculture.

A.Y

B.N

C.NG

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第3题

Organic agriculture has become a big industry as more and more farmers are Switching to it
.

A.Y

B.N

C.NG

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第4题

Organic agriculture has become a big industry as more and more farmers are switching to it
.

A.Y

B.N

C.NG

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第5题

Organic agriculture has become a big industry as more and more farmers are switching to it
.

A.Y

B.N

C.NG

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第6题

Organic agriculture has become a big industry as more and more farmers are switching to it
.

A.Y

B.N

C.NG

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第7题

The main job of the Soil Association is to ______.A.inspect the food grown on organic farm

The main job of the Soil Association is to ______.

A.inspect the food grown on organic farms

B.decide whether land is suitable for agriculture

C.inspect the land used by all new farmers

D.decide whether produce can be called organic

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第8题

Organic agriculture contributes to slowing down the global temperature increase through it
s ability to ___________________.

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第9题

Organic agriculture helps to minimize the greenhouse effect and global warming through its
ability to ______.

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第10题

The Soil Association's asserted that the FSA's report ______.A.had noticed the impact of o

The Soil Association's asserted that the FSA's report ______.

A.had noticed the impact of organic agriculture on the environment

B.had ignored to examine the effect of pesticide use

C.should be criticized for neglecting the benefit of organic food

D.has entirely disregarded the intent of the study

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