📘 arithmetic

1. **State the problem:** We have a vertical addition with unknown digits $a$, $b$, and $c$: 5 3 2 $a$ 9

1. **Rounding 53 467** (a) To round 53 467 to the nearest 10, look at the units digit (7). Since 7 is 5 or more, round up the tens digit.

1. The problem asks to multiply 4 by the mixed number 2 11/20 and express the answer as a decimal. 2. First, convert the mixed number 2 11/20 to an improper fraction.

1. The problem is to calculate $4 \times 3 \frac{5}{8}$ and express the answer as a mixed number in simplest form. 2. First, convert the mixed number $3 \frac{5}{8}$ to an improper

1. The problem is to calculate $-15 \times 3 \frac{2}{5}$ and simplify the answer. 2. Convert the mixed number $3 \frac{2}{5}$ to an improper fraction: $$3 \frac{2}{5} = \frac{3 \t

1. **Stating the problem:** Long division is a method used to divide large numbers step-by-step. 2. **Example:** Divide 1548 by 12.

1. The problem: Understand how to perform long division, a method to divide large numbers step-by-step. 2. Start by dividing the first digit or group of digits of the dividend by t

1. The problem is to recheck the number 5. 2. Since 5 is a single integer, there is no calculation or operation to perform.

1. সমস্যাটি হলো: পড়ার বই এবং গল্পের বইয়ের অনুপাত 2:3। পড়ার বই 28 টি হলে গল্পের বইয়ের সংখ্যা কত এবং মোট বইয়ের সংখ্যা কত হবে তা নির্ণয় করতে হবে। 2. অনুপাত 2:3 মানে পড়ার বই 2 অ

1. **State the problem:** We need to find the sum of the numbers: $$42.4019 + 242.2406 + 299.6614 + 63.3762 + 46.9271 + 246.9285 + 87.7600 + 325.4291 + 419.5337 + 37 + 100.6710 + 1

1. **State the problem:** We need to find the sum of the numbers: 13288.9237, 80.2595, 82.3332, 96.4334, 539.1598, 247.5059, 149.9458, 18.0778, 84.9663, 28.0680, 34.1562, 20.1290,

1. The problem is to find the sum of all the given numbers. 2. We will add all the numbers step-by-step to ensure accuracy.

1. **State the problem:** We need to find the sum of the numbers: $$285.9242 + 281.6630 + 210.8789 + 577.6132 + 424.019 + 178.6621 + 2510.4497 + 200.6280 + 298.662 + 65.3449 + 3948

1. **State the problem:** Bhavya earned 1442.55 this month and will be taxed 185.49. We need to find how much she will have after tax. 2. **Set up the subtraction:** To find the am

1. Let's start by stating the problem: We want to understand the basic operations of addition, subtraction, multiplication, and division with easy examples. 2. Addition: This opera

1. **Problem 1:** Calculate $1 \frac{1}{6} + 2 \frac{3}{4}$. - Convert mixed numbers to improper fractions:

1. The problem is to calculate $4\frac{5}{6} \times \left(2\frac{1}{4} + 1\frac{1}{3}\right)$.\n\n2. Convert mixed numbers to improper fractions:\n$4\frac{5}{6} = \frac{4 \times 6

1. সমস্যাটি হলো একটি পুকুরের দৈর্ঘ্য ৮.২ মি এবং প্রস্থ ৪.৬ মি। ক) দৈর্ঘ্য ও প্রস্থের যোগফল নির্ণয় করব:

1. The number 6 is a positive integer that comes after 5 and before 7. 2. It is an even number because it is divisible by 2 without a remainder: $6 \div 2 = 3$.

1. Stating the problem: Calculate the total cost of two items and the remaining balance from RM 50.99 after purchasing them. 2. Identify the prices:

1. আপনি Railway CCTC পরীক্ষার জন্য প্রস্তুতি নিচ্ছেন এবং অংক শেখার জন্য সাহায্য চান। 2. অংক শেখার জন্য প্রথমে মৌলিক ধারণাগুলো বুঝতে হবে, যেমন সংখ্যা, যোগ, বিয়োগ, গুণ, ভাগ।