1. 求以下作业答案
重力:G=mg=9000×9.8N/kg=88200N
压强:F=G=88200N
P=F/S=88200N/0.3m^2=294000Pa
2. 求以下作业答案
你好
became
Have visited
lived
is getting
have worked
will rain
haven't received
got
Have listend
has been
goes
traveled
had
15. went
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
祝你学习进步,更上一层楼!
不明白请及时追问,满意敬请采纳,O(∩_∩)O谢谢~~
3. 求以下作业答案
你好,同学,很高兴回答你的问题
正确答案:
1.i often do some housework in my family.《改为一般疑问句》
( Do ) you often ( do ) ( your ) housework in my family?
2.Hot chocolate is a drink.it has hot milk ,sugar and chocolate in it.《改为同义句》
Hot chocolate is ( a ) ( drink ) ( without ) hot milk,sugar and chocolate.
3.This is her (her coat)《对打括号部分提问》
( Whose ) ( coat ) is this?
4.LI Ming likes to go to (the coffee shop) withhis frends.《对打括号部分提问》
( Where ) does Li Ming ( like ) ( to ) ( go ) with his frends?
5.The dictionary cost (60 yuan)《对打括号部分提问》
( How ) ( much ) did the dictionary ( cost )?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
希望能帮到你,祝更上一层楼O(∩_∩)O
不明白请继续追问,可以详谈嘛(*^__^*)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
4. 作业 求答案啊
你好
19、D
20、
1-cosx=2sin²(x/2)~2*(x/2)²=x²/2;
D
【数学辅导团】为您解答,如果本题有什么不明白可以追问,如果满意记得采纳
祝学习进步!
5. 求解一下作业题
待续
6. 作业求答案谢谢
7. 求这个作业答案
2x+3+2=2-3+4y=2x+y+4y
x=-1 y=1
图2 -2 3 2
5 1 -3
0 -1 4
8. 求这个作业答案
设这个两位数为xy,那么y=2x+1,y×10+x=(x×10+y)+2