📘 arithmetic

1. The problem is to solve the numbers 10, 11, 12, and 13. 2. Since these are just numbers without any equation or operation, there is no specific solution to find.

1. The problem is to find the sum of the following numbers: 6,000,000; 625,000; 100,000; 280,000; 105,000; 10,000; 160,000; 30,000; 150,000; 100,000; 130,000; 50,000; 90,000; 486,0

1. **State the problem:** We need to find the sum of the following numbers: 5,000,000; 525,000; 700,000; 400,000; 420,000; 210,000; 50,000; 300,000; 60,000; 150,000; 100,000; 130,0

1. **Stating the problem:** We need to find the sum of all the given numbers. 2. **List of numbers:**

1. **State the problem:** Calculate the value of the expression $\frac{1}{0.414} + 1$. 2. **Recall the formula:** Division and addition are basic arithmetic operations. We first di

1. The problem is to subtract the mixed numbers $6 \frac{2}{12}$ and $-2 \frac{5}{10}$. 2. First, convert the mixed numbers to improper fractions.

1. **State the problem:** Subtract the mixed numbers $4 \frac{1}{6}$ and $1 \frac{6}{9}$. 2. **Convert mixed numbers to improper fractions:**

1. **State the problem:** Calculate the sum of 2 and 9. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. The problem asks to evaluate the expression $$(4 \times 5 \div 2) \times 4$$. 2. According to the order of operations (PEMDAS/BODMAS), we first perform multiplication and divisi

1. The problem is to list the first 10 multiples of each given number: 8, 11, 15, 20, 50, 17, and 19. 2. The formula for the $n$th multiple of a number $a$ is:

1. **Problem:** Calculate the value of the expression $3 \frac{5}{7} - 1 \frac{2}{7}$. 2. **Formula and rules:** To subtract mixed fractions, convert them to improper fractions or

1. The problem is to find the sum of 80080 and 5. 2. The formula for addition is simply $a + b = c$, where $a$ and $b$ are numbers and $c$ is their sum.

1. The problem is to find the value of 71. 2. Since 71 is a constant number, it is already in its simplest form.

1. The problem states: "These are 10 tens." We need to find the total value represented by 10 tens. 2. Recall that "ten" means 10 units. So, 1 ten = 10.

1. The problem is to multiply 15.63 by 14.21 using the vertical method. 2. Write the numbers vertically aligning the decimal points:

1. The problem is to solve an equation or expression using the vertical method, which typically means aligning numbers vertically for operations like addition, subtraction, multipl

1. The problem is to multiply 12.23 by 5.63. 2. The formula for multiplication is simply $a \times b$ where $a=12.23$ and $b=5.63$.

1. **Problem statement:** Find the value of $2026 - 2025$. 2. **Formula used:** Subtraction of integers is straightforward: $a - b$ means subtract $b$ from $a$.

1. The problem is to calculate $2 - 3$. 2. The subtraction operation means taking away the second number from the first.

1. The problem asks to write an addition problem using the numbers inside the circle on the Christmas tree shape to get the answer from the last question. 2. The numbers given are

1. The problem is to calculate the value of the expression $$\frac{9000 \times 3 \times 5}{100}$$. 2. The formula used here is simple multiplication and division: multiply the numb