The problem is to perform the division $7.124 \div 1.6$.

ArithmeticDivisionDecimal NumbersLong Division
2025/4/28

1. Problem Description

The problem is to perform the division 7.124÷1.67.124 \div 1.6.

2. Solution Steps

First, we need to remove the decimal point from the divisor. To do this, we multiply both the divisor and dividend by
1

0. $1.6 \times 10 = 16$

7.124×10=71.247.124 \times 10 = 71.24
So, the problem becomes 71.24÷1671.24 \div 16.
Now, we perform long division.
71÷16=471 \div 16 = 4 with remainder 77.
4×16=644 \times 16 = 64
7164=771 - 64 = 7
Bring down the 2, so we have
7

2. $72 \div 16 = 4$ with remainder $8$.

4×16=644 \times 16 = 64
7264=872 - 64 = 8
Bring down the 4, so we have
8

4. $84 \div 16 = 5$ with remainder $4$.

5×16=805 \times 16 = 80
8480=484 - 80 = 4
Since we have a decimal point, we can add a

0. $40 \div 16 = 2$ with remainder $8$.

2×16=322 \times 16 = 32
4032=840 - 32 = 8
Add another

0. $80 \div 16 = 5$ with remainder $0$.

5×16=805 \times 16 = 80
8080=080 - 80 = 0
Putting it all together, we have 4.
4
5
2
5.

3. Final Answer

4.4525

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