1 During a sale,the price of a book is reducedby 25%.The sal
vivi200319802022-10-04 11:39:542条回答
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,...
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,...
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共2条回复
- alexto998 共回答了11个问题
|采纳率81.8% - 1、45%;
2、问题看不清,a=7,b=18,答案自己算;
3、4;
4、11;
5、3;
6、48;
8、5;
9、4;
10、9900 - 1年前
- 无法抉择000 共回答了140个问题
|采纳率 - 1.30%;2。a=7,b=18; 3.floor=5;4.11steps;5.?;6.192; 8.a multiple of 3;9. 4 dimes; 10. 9900
- 1年前
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