How do you check 4 05 0 15?

Vertical calculations.

Problem solving ideas: first align the last digit of the two multipliers, then use the second multiplier respectively, multiply a multiplier for each number from the last digit in turn, and finally add up the calculated result to be the product, if the multiplier is a decimal place, it can be expanded by the corresponding multiple, and finally the product is reduced by the corresponding multiple;

Problem solving: Step 1: 5 405=2025

Step 2: 1 405 = 4050

According to the above calculation steps, the combination result is moved to the left by 4 decimal places for the check

Extended Data - > Check: The dividend.

The divisor is performed from each digit from the high position, and the quotient obtained each time is retained, and the remainder is retained.

Add the next digit to the operation, and the divisor will be divided into digits in this order, and the obtained quotient will be combined in order, and the remainder is the result of the last operation.

Problem solving: Step 1: 60 15=4 The remainder is: 0Step 2: 7 15=0 The remainder is 7

Step 3: 75 15=5 The remainder is: 0

According to the above calculation steps, the result of the combination is quotient.

If you have any doubts, please ask and be satisfied.

The product that can be used for the check is divided. Checking:

The product is divided by any of the multipliers during the check. Checking:

Divide by the number to see if it is equal to the calculation.

The inverse method is used for the calculation of this problem.

The number of checks is the same as the calculation process, so the calculation is proved to be correct.

Write out the answer first, and then divide by these two numbers to get another number, such a question is not difficult, just do a little more.

, calculate the spine rent and check the process of taking celery as shown in the figure below.

Solution: Equal to (459 250), that is, equal to.

It has been known that the demand is equal to how much.

x y = z, i.e. x = z y

102 25 9 This loss is 20

Tested, = Meets the Question.

Answer: Equal to 459 250, [i.e. equal to.

Hello! Glad you asked!

Calculation process:,Check:

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Summary. Is there a percent sign at the end?

Calculated. Is there a percent sign at the end?

Hello, you can't get rid of it, you don't need to check it.

Except for the inexhaustible, it cannot be checked.

Summary. Verification?

Good. It's too slow???

Is this a check?

Hello, this is how you can only understand this question.

Will you answer???

Let's do the math and divide it.