📘 arithmetic

1. The problem is to understand the number 15. 2. 15 is a positive integer, a whole number greater than zero.

1. The problem is to find the sum of 15 and 18. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are the numbers to add, and $c$ is the result.

1. The problem is to convert a number or expression into decimal form. 2. Decimal form means expressing a number using base 10 digits, including digits after the decimal point if n

1. The problem asks to find $3 \frac{2}{5}$ of 35. 2. First, convert the mixed number $3 \frac{2}{5}$ to an improper fraction.

1. The problem is to calculate the number 4. 2. Since 4 is already a number, no calculation is needed.

1. 問題陳述： (a) 用中國文字寫出右圖算柱所表示的數。

1. **Stating the problem:** Convert the given fractions and decimals to equivalent forms and understand the shaded parts in the rectangle and square. 2. **Fraction to decimal conve

1. সমস্যাটি হলো: ১৮৭৯ × ৩৯৮৫ ভাগ করা। 2. প্রথমে গুণফল বের করি: $$1879 \times 3985$$

1. The problem is to express the fraction $\frac{43}{10}$ as a mixed number and as a decimal. 2. A mixed number consists of a whole number and a proper fraction. To convert an impr

1. **State the problem:** We need to divide 58001 by 907. 2. **Write the division expression:**

1. **State the problem:** Multiply the mixed number $2\ 3/5$ by $16$. 2. **Convert the mixed number to an improper fraction:**

1. The problem is to evaluate the expression $8$. 2. Since $8$ is a single number and not an operation, the value is simply $8$.

1. **State the problem:** We are asked to work out the following calculations involving decimals and fractions. 2. **Calculate each part:**

1. The problem is to round the number 6.196 to 2 decimal places. 2. The rule for rounding to 2 decimal places is to look at the third decimal digit.

1. **State the problem:** We need to find the value of 5 times the sum of 2 and 4 added to 7 times the sum of 3 and 8. 2. **Write the expression:** The problem translates to the ex

1. **State the problem:** We need to find the sum of 2 and 3, then multiply the result by 6. 2. **Write the expression:** The sum of 2 and 3 is $2 + 3$.

1. **State the problem:** Calculate the sum of 2 and 2. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** We need to divide 88872 by 82. 2. **Formula used:** Division is the operation of finding how many times the divisor fits into the dividend. Here, we calcu

1. **State the problem:** We need to divide 88872 by 82. 2. **Write the division expression:**

1. The problem is to find the sum of the numbers: 2,400,000; 2,100,000; 1,800,000; 1,500,000; 1,200,000; and 900,000. 2. To find the sum, we add all the numbers together using the

1. The problem is to find the sum of the numbers: 2,400,000, 1,800,000, 1,800,000, 1,500,000, 1,200,000, and 900,000. 2. The formula for the sum of numbers is simply adding them al