问题
解答题
列式计算: 一个数的
|
答案
(1)25÷
,5 8
=25×
,8 5
=40;
答:这个数是40.
(2)(
+1 2
)÷(2 5
-1 2
),2 5
=(
+5 10
)÷(4 10
-5 10
),4 10
=
÷9 10
,1 10
=
×10,9 10
=9.
答:商是9.
列式计算: 一个数的
|
(1)25÷
,5 8
=25×
,8 5
=40;
答:这个数是40.
(2)(
+1 2
)÷(2 5
-1 2
),2 5
=(
+5 10
)÷(4 10
-5 10
),4 10
=
÷9 10
,1 10
=
×10,9 10
=9.
答:商是9.
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项多余选项。(共5小题;每小题2分,共10分) W: NET Company. Good morning. May I help you? M: I am making the phone call to complain about the digital camera of your company. W: 小题1: M: The screen always gets black. W: Could you tell me how long this has been happening? M: 小题2: W: Then is the camera still under guarantee? M: 小题3: W: You can bring it to our repair center to have it checked on first. 小题4: M: Then where is your repair center? W: It’s on the 7th Floor, 1553 Palace Street. 小题5:
|