📘 arithmetic

1. **Work out 487.52 - 86.74 - 52.81** Start with the first subtraction:

1. The problem is to understand or work with the number 18. 2. Since no specific operation or question is given, let's explore some properties of 18.

1. The problem asks if 56 is equal to 394. 2. To determine this, we simply compare the two numbers: $56$ and $394$.

1. The problem is to find the sum of 0.34 and 0.24. 2. Write the numbers vertically aligning the decimal points:

1. **Problem a:** Find digits 1 to 6 used once in the form $a \times bc / d$ to get the greatest possible answer without making an improper fraction in the mixed number. 2. To maxi

1. The problem is to understand the concept of "remedies in addition" in a mathematical or algebraic context. 2. "Remedies in addition" is not a standard mathematical term, so let'

1. The problem asks us to multiply fractions by whole numbers. 2. For the first calculation, multiply $\frac{1}{2}$ by 32:

1. The problem is to add the mixed numbers and fractions: $1 + 1 + \frac{4}{8} + 6 + \frac{3}{8} = 4 \frac{5}{8}$ and then solve for the sum of $1 \frac{6}{8} + 1 \frac{3}{8} + \fr

1. The problem is to add the mixed numbers $2 \frac{4}{9}$ and $6 \frac{2}{3}$. 2. Convert the mixed numbers to improper fractions:

1. The problem is to find the sum of 1 and 1. 2. We add the two numbers: $1 + 1$.

1. Evaluate the following square roots: 1.a. The square root of 16900:

1. Let's clarify the problem: You mentioned that when you add, the result is not 2 but 3. 2. To understand this, we need to know what numbers or expressions you are adding.

1. Let's clarify the problem: You are asking if we multiply a number by 100 and then add another given number, is that correct? 2. The operation you described is: take a number $x$

1. The problem is to multiply 99 by 25. 2. We can rewrite 99 as $100 - 1$ to make multiplication easier.

1. **State the problem:** We have 40 eggs in total, and 8 of them are damaged. We need to find the percentage of eggs that are good. 2. **Calculate the number of good eggs:**

1. **State the problem:** We want to teach how to add two numbers using addition by regrouping (also called carrying). 2. **Explain the concept:** Addition by regrouping is used wh

1. The problem is to evaluate the expression $$2\frac{1}{3} + 4\frac{3}{1} - 3\frac{1}{1} \times 5\frac{2}{1} \div 7\frac{4}{1} + 6\frac{2}{1}$$ where mixed numbers are given. 2. C

1. Let's solve each arithmetic problem step-by-step. 2. $5.25 + 5.30 = 10.55$

1. The problem states that a string of length 10 meters is cut into equal pieces, each piece being $\frac{1}{2}$ meter long. 2. To find the number of pieces, we divide the total le

1. **State the problem:** Emma bought 12 cakes and each child received $\frac{1}{6}$ of a cake. We need to find how many children received cake. 2. **Understand the division:** Eac

1. **State the problem:** Emma bought 12 cakes and each child received $\frac{1}{6}$ of a cake. We need to find how many children received cakes. 2. **Understand the division:** Ea