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Hello,
Can you help you check these sentences in term of grammar and semantics, please.
I appreciate what you do for me.

Education just aims to equip students to make money and earn a rather comfortable live

A great masterpiece has power to enlighten students to develop the ability of abstract thinking.

It has a magic power to enable students to learn how to clear their mind and alleviate their stress.

Whenever a normal homework troubles them, students don’t know how to take it easy.
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Hello, kk, a first attempt...
1) Education aims at equipping students to make money and earn a rather comfortable life.
"at" is a preposition, so you'll want the -ing form here
"live" is a verb, the noun is "life"
2) A great masterpiece enables the students to develop...
3) there are too many "to"'s > its magic power makes students learn how to clear ...
4) students don't know how to take it easy whenever...
But wait, you may get some further advice.
Comments  
Students: Are you brave enough to let our tutors analyse your pronunciation?
First sentence:
I'm pretty sure that you mean "living" rather than "live", which is a verb, or "life", which doesn't make sense. I'd change it to:

"Education just aims to equip students to make money and to earn a rather comfortable living."

Second sentence:
Something about this sentence sounds incredibly stilted, but I'm not sure what. I think it would sound better if you said "the power" rather than just "power":

"A great masterpiece has the power to enlighten students to develop the ability of abstract thinking."

Third sentence:
Instead of saying "to enable", I think the relative pronoun "which" would sound a lot better. I don't think you need "their" in front of stress, either..

"It has a magic power which enables students to learn how to clear their mind and alleviate stress."

Fourth sentence:
Get rid of the "a" before "normal homework".

"Whenever normal homework troubles them, students don't know how to take it easy."

I hope that helpsEmotion: smile
Yes of course, you're right about "living"!