📘 arithmetic

1. The problem is to add the mixed numbers $2 \ 1/5$ and $3 \ 2/5$.\n2. Convert each mixed number to an improper fraction.\n For $2 \ 1/5$: integer part is 2, denominator is 5, n

1. State the problem: Subtract and simplify the mixed numbers $7 \dfrac{5}{6}$ and $4 \dfrac{2}{6}$. 2. Convert mixed numbers to improper fractions:

1. The problem asks to find the quotient when 16 is divided by 1243. 2. We set up the division: $$\frac{16}{1243}$$.

1. **State the problem:** Calculate the value of $$\frac{1.84 \times 1.48}{81}$$.

1. State the problem: We need to divide 16 by 1243 and find the solution. 2. Perform the division: Calculate $\frac{16}{1243}$.

1. We are asked to divide 16 by 1243. 2. Division is the process of finding how many times the divisor (1243) fits into the dividend (16).

1. Solve $809 - 87$. Subtracting the digits: $809 - 87 = 722$.

1. State the problem: We want to add the mixed numbers $-1\frac{3}{4}$ and $-1\frac{2}{3}$.\n\n2. Convert each mixed number to an improper fraction.\n\nFor $-1\frac{3}{4}$: $$-1\fr

1. **Stating the problem:** Add the mixed numbers $3 \frac{7}{8}$ and $2 \frac{1}{3}$. 2. Convert the mixed numbers to improper fractions:

1. The problem appears to involve understanding or calculating using the numbers given: the first row is $300000.01$ and the second row is $99999:999$. 2. The notation $:$ typicall

1. Stating the problem: We need to perform the operation $$\begin{array}{r} 31587 \\ -42758 \\ +13796 \end{array}$$ where 31587 is the first number, minus 42758 is subtracted, and

1. We start with the problem: Calculate the sum of 1 + 1. 2. Addition means combining two numbers into a single total.

1. The problem is to calculate the product of 1 and 1. 2. Multiply the numbers: $1 \times 1 = 1$.

1. The problem is to calculate the value of $7\frac{1}{2} - 20\%$.\n\n2. First, convert the mixed number $7\frac{1}{2}$ to an improper fraction or decimal.\n$7\frac{1}{2} = 7 + \fr

1. The problem is to calculate $7\tfrac{1}{2} - 20\%$. 2. Convert $7\tfrac{1}{2}$ to an improper fraction or decimal. $7\tfrac{1}{2} = 7 + \frac{1}{2} = 7.5$.

1. **State the problem:** We need to find the value of $5 + 10 \div 2$. 2. **Recall the order of operations:** Division comes before addition.

1. Let's consider the number 4.000. 2. When you round a number, you typically look at the decimal part to decide if you round up or down.

1. Stated problem: Calculate the value of $4 \times (2 + 3)$.\n2. First, solve the expression inside the parentheses: $2 + 3 = 5$.\n3. Then multiply the result by 4: $4 \times 5 =

1. Let's start by stating the problem: evaluate the expression $4 \times (2 \ 3)$. 2. The operator between 2 and 3 is missing or unclear; it could be addition, subtraction, multipl

1. Let's evaluate the expression $4.000-36$ carefully. 2. Note that $4.000$ is equivalent to the number $4$ (the trailing zeros after the decimal point do not change the value).

1. We are asked to simplify the expression $20 \div 10 \div 3$. 2. Division is performed from left to right.