Wvп߿Կɿ һһһȫӋ(jng)ӋмӋעYՆT̎繤
t(y)Wˎt(y)oʿool(wi)YR
R
t(y)
t(y)
ǻt(y)
Cȯy؛ZӋCȿܛ
t(y)CˎƷвُ
ˎƷُƷNƣt(y)Cս(jng)ˎƷO(jin)TʲˎƷͨQُMˎƷͬһͨQˎƷƷNע䄩ͺͿڷó^2N̎MͬďͷƄ12N\Ҫʹͺ̈́Ҏ(gu)ˎƷrҎ(gu)t(y)Ժrt(y)CُͬһͨQˎƷֻSͬһˎƷɷNҎ(gu)Ĵt(y)CُƷNƣQ֮顰һƷҎ(gu)ԓƶҪ£t(y)CӏُMˎƷƷNĹx(yu)|(yu)rˎƷ
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1.(x})t(y)CُͬһͨQˎƷƷNע䄩͵Ĕ(sh)
A.2N
B.ó^3N
C.ó^2N
D.3N
_𰸡C
𰸽t(y)CُͬһͨQˎƷƷNע䄩ͺͿڷó^2N
2.(x})һƷҎ(gu)_Ľጞ
A.t(y)CُͬһͨQˎƷֻSͬһˎƷɷNҎ(gu)Ĵ
B.t(y)CُͬһƷQˎƷֻSͬһˎƷɷNҎ(gu)Ĵ
C.t(y)CُͬһƷQˎƷֻSͬһƷɷNҎ(gu)Ĵ
D.t(y)CُͬһͨQˎƷֻSͬһƷɷNҎ(gu)Ĵ
_𰸡A
𰸽t(y)Ժrt(y)CُͬһͨQˎƷֻSͬһˎƷɷNҎ(gu)Ĵt(y)CُƷNQ֮顰һƷҎ(gu)
3.(x})Pt(y)CˎƷвُf_
A.t(y)CُMͬһͨQˎƷƷN̎MͬďͷƄ12N
B.t(y)CُMͬһͨQˎƷƷNڷͲó^2N
C.t(y)CُMͬһͨQˎƷƷNע䄩Ͳó^3N
D.t(y)CӏُMˎƷƷNĹx(yu)|(yu)rˎƷ
_𰸡ABD
𰸽ͬһͨQˎƷƷNע䄩ͺͿڷó^2NCe
f}dح"f}(zh)I(y)ˎԇ"
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