That is to compresssplit the task into a few thingparts. That is to split the task into a few parts.

I'd combine this and the previous sentence: "I thought of a new method to be more productive, which is to split the task into a few parts." Split = dividing something into multiple smaller pieces

That is, to compress thea task into a few things. That is, to compress a task into a few things.

It’s not necessary to demandforce myself to finish a lot of tasks in aone day. It’s not necessary to force myself to finish a lot of tasks in one day.

Alternative: "demand of myself that I finish"

It’s not necessary to demandpush myself to finish a lot of tasks in aone day. It’s not necessary to push myself to finish a lot of tasks in one day.

It’s not necessary to demand of myself tohat I finish a lot of tasks in a day. It’s not necessary to demand of myself that I finish a lot of tasks in a day.

All iI need to do is to focus on one or two stuffthings and do them bestwell. All I need to do is to focus on one or two things and do them well.

Alternative: "do them the best that I can"

All iI need to do is to focus on one or two stufftasks and do them bestto the best of my ability. All I need to do is to focus on one or two tasks and do them to the best of my ability.

All iI need to do is to focus on one or two stuffthings and then do them bestwell. All I need to do is to focus on one or two things and then do them well.

The eEfficiency is about the equality, not just the amountquantity. Efficiency is about quality, not just quantity.

The efficiency is about the equality not just the amount. The efficiency is about the equality not just the amount.

I am not sure I understand this sentence.

The efficiency is about the equality and not just the amount. The efficiency is about the quality and not just the amount.

It takes tisome time for me to adapt to such study mode for methis mode of study. It takes some time for me to adapt to this mode of study.

It takes me time to adapt to such study mode for me. It takes me time to adapt to such study mode.

It takes time to adapt to such a study mode for me. It takes time to adapt to such a study mode for me.

I thought of a new method tohat may be more productive. I thought of a new method that may be more productive.

I thought of a new methodway to be more productive. I thought of a new way to be more productive.

A lLittle dDiary A Little Diary

We capitalize the first letter of important words in titles.

I had made an appointment with my friends to study together online by video callshat the day before. I had made an appointment with my friends to study together online by video chat the day before.

Yesterday, I had made an appointment with my friends to study together online by video calls the day before. Yesterday, I had made an appointment with my friends to study together online by video.

I had made an appointment with my friends to study together online byvia video calls the day before. I had made an appointment with my friends to study together online via video calls the day before.

Maybe I was not accustomed to studying in this way. Maybe I was not accustomed to studying in this way.

"used to" is more common and a little less formal than "accustomed to"

Even though iI was really studying, iI found it difficult to bestay focused all ththe whole time. Even though I was really studying, I found it difficult to stay focused the whole time.

Be careful to capitalize the letter "I"

Even though iI was really studying, iI found it difficult to bestay focused all the time. Even though I was really studying, I found it difficult to stay focused all the time.

Even though iI was really studying, i found it difficult to be focused all the time. Even though I was really studying, i found it difficult to be focused all the time.