Help! Urgent! SOS! :-(

My daughter brought this home last night and told her mom it is just "part of a primary school 4th grade math quiz". Can you help me on this, mummy?

Piece of cake, honey. My wife smiled. 

And after a rough night, she sent it to me.

Get it done and show our girl what her parents are capable of. She ordered.

Piece of cake, honey. I smiled.

And that was 4 hours ago. Now I'm still struglling, going nowhere, and I'm look kind of like this:


Mighty Steemit, help me out!

(BTW, this is a primary school question, no fancy stuff like trigonometric etc. here)


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我女儿昨晚把这玩意儿带回家,说是道小学四年级的数学测验题。“能教教我怎么做么,妈妈?”

老婆微笑着回答:“没问题,宝贝。分分钟搞定。”

然后她就差不多熬了个通宵。

今天早上,蓬头垢面的老婆命令我:

解决它!不能让孩子知道她的爸妈这么没用!

我微笑着回答:“没问题,宝贝。分分钟搞定。”

那已经是四个小时以前的事了。现在我正满头包,看上去是这样的:


万能的Steemit,帮帮忙吧!

(对了,这是小学数学,表整三角函数之类的东东)

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