📘 arithmetic

1. **State the problem:** Calculate the result of $3750 - 5225$. 2. **Formula used:** Subtraction of integers is performed by subtracting the second number from the first.

1. The problem asks to arrange the cards 9, 5, 6 and the operators (, ), x, + to create the calculation with the largest possible value. 2. The operators available are multiplicati

1. The problem is to calculate the product of a number and a percentage. 2. The formula to calculate a percentage of a number is:

1. **Problem 15:** A student reads $\frac{3}{8}$ of a book on Monday and $\frac{1}{4}$ on Tuesday. We need to find the fraction of the book that remains unread. 2. The total fracti

1. The problem is to perform the addition of two decimal numbers with missing digits represented by squares: $$5\square7\square3\square590972.\square44 + 39028283\square19.22\squar

1. **State the problem:** We need to find the total number of tickets sold on Friday and Saturday. 2. **Write the formula:** To find the total tickets sold, add the tickets sold on

1. **State the problem:** Herbert's weight changes over four months are given, and we need to find the total weight gain or loss. 2. **List the monthly changes:**

1. **State the problem:** Find the result when 720 is divided by the number of its divisors. 2. **Formula and rules:** To solve this, we first find the number of divisors of 720. I

1. The problem is to evaluate the expression $11 \frac{6}{45}$. 2. First, convert the mixed number to an improper fraction. The whole number is 11 and the fraction is $\frac{6}{45}

1. ปัญหาคือการลบเศษส่วนผสม: $9\frac{20}{1} - 2\frac{5}{9}$ 2. แปลงเศษส่วนผสมเป็นเศษส่วนอย่างเดียวเพื่อให้ง่ายต่อการคำนวณ:

1. **Problema A:** Calcular $$\frac{2}{3} - \left[\frac{1}{6} + 2 - \left(\frac{3}{5} + \frac{2}{3}\right)\right] - \frac{1}{5} \cdot \left(5 \cdot \frac{1}{2} - \frac{7}{3}\right)

1. 题目：计算乘法 $193 \times 83$。 2. 公式：乘法的基本规则是将两个数相乘，结果是这两个数的积。

1. **Problem 1a: Add the numbers 356490 and 267316** Formula: Addition of multi-digit numbers is done digit by digit from right to left, carrying over when sum exceeds 9.

1. **Exercice 68**: Le dromadaire perd trois dixièmes de son poids de départ de 700 kg. Formule: Poids final = Poids initial - (fraction perdue \times Poids initial)

1. **Énoncé du problème :** Calculer $\frac{3}{7}$ de 35. 2. **Rappel de la règle :** Calculer une fraction d'un nombre revient à multiplier cette fraction par ce nombre.

1. **Énoncé du problème :** Calculer une fraction d’un nombre consiste à multiplier cette fraction par le nombre donné. 2. **Formule utilisée :** Pour calculer $\frac{a}{b}$ de $c$

1. The problem asks how to get the number 12 from 172 and then find the equivalent for 194. 2. Let's analyze the relationship between 172 and 12. One way is to find a function or o

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

1. The problem asks how to get the number 12 from 172, and then how to apply the same method to 180. 2. To find the relationship, we check the difference: $$172 - 12 = 160$$.

Let's learn about the number 2! 🎉 **Step 1:** Imagine you have 2 yummy apples 🍎 🍎

Let's imagine you have 1 big shiny apple! 🍎 **Box 1:**