📘 arithmetic

1. مسئله: باید یک مقدار را به صورت اعشاری محاسبه کنیم. 2. برای محاسبه اعشاری، ابتدا باید عدد یا عبارت مورد نظر را به صورت کسر یا عدد صحیح داشته باشیم.

1. **State the problem:** We need to divide several decimal numbers by 10, 100, or 1000. 2. **Formula and rule:** Dividing a number by 10, 100, or 1000 moves the decimal point to t

1. The problem is to calculate $60 - 84$. 2. The subtraction formula is $a - b = c$, where $a$ and $b$ are numbers and $c$ is the result.

1. **State the problem:** Find the value of the whole number 3. 2. **Explanation:** A whole number is any non-negative integer, including zero. The number 3 is already a whole numb

1. **State the problem:** We need to find the sum of the numbers: 22.8, 25.8, 23.5, 20.7, 20.8, 24.7, 27, 22.5, 21, 28.5, 22.6, 24.5, 20.9, 18.9, 16.1, 19.5, 17.8, 22.6, 24.4, 17.6

1. **State the problem:** We need to find the sum of the following numbers: 21.8, 20.8, 22.5, 19.7, 19.8, 23.7, 24, 20.5, 20, 23.5, 21.6, 20.5, 20.9, 19.9, 16.1, 18.5, 17.8, 20.6,

1. **State the problem:** We need to find the sum of the following numbers: 21.8, 20.8, 22.5, 19.7, 19.8, 23.7, 24, 20.5, 20, 25.5, 21.6, 23.5, 20.9, 19.9, 16.1, 18.5, 17.8, 20.6,

1. **State the problem:** We need to find the sum of the following numbers: 22.8, 24.8, 23.5, 20.7, 20.8, 24.7, 25, 22.5, 21, 28.5, 22.6, 24.5, 20.9, 18.9, 16.1, 19.5, 17.8, 22.6,

1. **Stating the problem:** We need to find the sum of the following numbers: 22.8, 25.8, 23.5, 20.7, 20.8, 24.7, 27, 22.5, 21, 28.5, 22.6, 24.5, 20.9, 18.9, 16.1, 19.5, 17.8, 22.6

1. **Stating the problem:** We need to find the sum of the following numbers: 22.8, 25.8, 23.5, 20.7, 20.8, 24.7, 27, 22.5, 21, 28.5, 22.6, 24.5, 20.9, 18.9, 16.1, 19.5, 17.8, 22.6

1. **Problem statement:** We need to round numbers to specified decimal places and perform approximate calculations by rounding to whole numbers. 2. **Rounding rules:**

1. **Stating the problem:** We have four subproblems involving multiplication and division with decimals, and a word problem about buying fruit with prices per kilogram.

1. **Problem Statement:** Add the following values together: 22.2, 19.5, 23.6, 23.9, 24.5, 26.2, 22.3, 26.1, 20.9, 21.2, 18.2, 23.5, 23.6, 22.9, 25.4, 22.6, 28.5, 23.1, 19.5, 26.5,

1. The problem is to evaluate the number 11 as given. 2. Since the problem states "Do 11 number" without further context, we interpret it as simply identifying or confirming the nu

1. The problem is to subtract 89.56 from 142.007. 2. The subtraction formula is $a - b$, where $a = 142.007$ and $b = 89.56$.

1. **State the problem:** We need to find the sum of 309.648 and 84.93. 2. **Formula used:** Addition of decimal numbers is done by aligning the decimal points and adding correspon

1. **State the problem:** Find the value of $2345.6198 - 24193107 + 33745811$. 2. **Understand the operations:** The expression involves subtraction and addition. According to the

1. **Stating the problem:** We want to understand the basic operations of whole numbers, which include addition, subtraction, multiplication, and division. 2. **Formulas and rules:

1. **State the problem:** Multiply $-68$ by $-92$. 2. **Recall the multiplication rule for signs:**

1. **State the problem:** Calculate the value of the expression $100000000000000000 \times 4.5 + \frac{300}{250} - 267 + \frac{4}{5} - (-2)$.\n\n2. **Recall the order of operations

1. **State the problem:** Multiply 47 by -25. 2. **Formula and rules:** Multiplication of integers follows the rule that a positive number times a negative number results in a nega