Answer:
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1.The main idea that expressed by the text to the reader is what the paragraph, article, or other section of a text is going to be about. Often the main idea is explicitly provided in a declarative statement, which is a statement of fact ending in a period.
2.Arithmetic sentence example. Her progress in arithmetic has been equally remarkable. It was not a special subject, like geography or arithmetic , but her way to outward things. I study about the earth, and the animals, and I like arithmetic exceedingly.
3.Arithmetic is the branch of mathematics that deals with the study of numbers using various operations on them. Basic operations of math are addition, subtraction, multiplication and division. These operations are denoted by the given symbols.
Explanation:
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