1 During a sale,the price of a book is reducedby 25%.The sal

1
During a sale,the price of a book is reducedby 25%.The sale price is then further reduced by 40%.The cost of the book as a percentage of the original price is?
2
a/b is a fraction.If 2 is added to the numerator（分子）,the value of the fraction is 1/2.If 3 is added to the denominator（分母）,the fraction has
a
value
of
1/3.
The value of the sum a
2
+ b
2
is ( )
3
、
The
"floor"
of
a
fraction
is
defined
（下定义）
to
be
the
largest integer
（整数）
which is not greater than that
fraction.For example
（例如）
,floor(10/3) =3.Evaluate
（求…的值）
floor(floor(1000/7)/(floor(71/2)).
4
、
If
I
climb
a
staircase
（楼梯）
2
steps
at
a
time,
one
step
is
left
over.
Climbing
3
steps
at
a
time
gives
2
steps
left
over,
while
climbing
4
at
a
time
gives
3
left
over.
How
many
steps are there if there are fewer
（较少的）
than 20?
人教版新目标初二下英语同步辅导（一）
2
5
、
How
many
animals
do
I
have
if
all
but
（除…以外）
two
are
dogs,all but two are cats and all but two are hamsters
（仓鼠）
6
、
A box contains
（容纳
包含）
24 identical
（完全相同的）
cubes.How many cubes can be placed in another box each of
whose
dimensions
（规模
大小）
is
double
that
of
the
original
（原来的）
box?
8
、
If
n
is
an
integer
and
2n
is
a
multiple
（倍数）
of
3,
then
5n must be a multiple of
（
）
3
9
、
Claude has in his hand 15 coins (either pennies
一分
币
,nickels
五分币
or dimes
一角币
) worth
（价值）
79 cents
in total.How many dimes does he have?
10
What is the 100
th
term in the sequence
（序列）
0,2,
6,12,20,30,42,...