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As follows:
There are four issues to pay attention to in multiplication vertical calculation:
1. The last digit of the two numbers should be aligned.
2. Try to write the numbers with more numbers on the top and the numbers with fewer numbers below to reduce the number of multiplications.
3. If there is a "0" at the end of the two numbers, you can only align the last digit of the number before the "0" when writing the vertical type, and finally add the number of "0" common to the two numbers after the vertical product.
4. Decimal multiplication should determine the position of the decimal point of the product according to the multiple of the decimal place.
Precautions for division vertical:
1. When the column is vertical, the unit digit of the quotient should be the same as the dividend.
of unit alignment.
2. The product of the quotient and the divisor is written below the dividend.
3. Finally, draw a horizontal line below the product.
4. Write the difference between the product of the dividend and the quotient and the divisor under the horizontal line.
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The vertical calculation reads:
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<> calculation, the decimal points do not need to be aligned, and after the calculation, just count the number of decimal places from back to front.
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Don't make decimal points! Just follow the multiplication of integers, count the number of factors from the end of the product to the left, and put the decimal point on the midpoint of the product!
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Decimal multiplication does not need to align digits, first calculate according to the calculation rules of integer multiplication, and then count how many decimal places there are in the factor, and then count the number from the right side of the product, and point to the decimal point.
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Vertical operation.
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 process: Step 1: 7 4=28
Step 2: 3 4 = 120
According to the above calculation steps, the combined result is:
Calculation: Extended data & calculation result will be the dividend from the high digit of each digit for the divisor operation, each calculation of the quotient retained, the remainder plus the next digit for the calculation, in this order will be the divisor so the number of digits is calculated, the obtained quotient is combined in order, the remainder is the result of the last operation.
Problem solving: Step 1: 14 4=3 The remainder is: 2 Step 2: 28 4=7 The remainder is: 0
According to the above calculation steps, the combined result is:
If you have any doubts, please ask and be satisfied.
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The final answer is.
Ignore the decimal first, and look at it as 37 times 4, the result is 148, and because the original multiplier has a total of three decimal places, the final answer is.
Vertical, refers to the change of each transition number from the previous transition number, the single digit of the previous transition number multiplied by 2, if you need to carry the digit, then advance to the front by 1, and then the single digit rises by 10 digits, and so on, and the single digit is filled with a new operation number.
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Vertical arithmetic 4700 4
Solution: Divide 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: 4 4=1 The remainder is: 0
Step 2: 7 4=1 The remainder is: 3
Step 3: 30 4=7 The remainder is: 2
Step 4: 20 4=5 The remainder is: 0
According to the above calculation steps, the combined result is 1175, because the dividend is expanded by 1000 times, so the quotient.
Calculation: Extended Data Results: First align the last digit of the two multipliers, then use the second multiplier respectively, multiply each digit by a multiplier from the last digit, 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 4=20
Step 2: 7 4 = 280
Step 3: 1 4=400
Step 4: 1 4 = 4000
According to the above calculation steps, the combined result is:
If you have any doubts, please ask and be satisfied.
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The two numbers are enlarged by a hundredfold at the same time, and then they are divided by a factor of one. Amount.
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<> vertical calculations** are shown in the image above.
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, this number is just enough to divide, and the number is.
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After the column is vertical, the divisor is converted into an integer first, and then calculated.
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Vertical calculations?
Hopefully, thank you
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Vertical Arithmetic Process 27 24
Problem solving idea: the dividend from the high position of each digit of the divisor to the divisor operation, each time the calculated quotient is retained, the remainder is added to the next digit for operation, in this order the dividend is calculated so the digits, the obtained quotient is combined in order, and the remainder is the result of the last operation.
Problem solving process: Step 1: 27 24=1 The remainder is: 3 According to the above calculation steps, the combination result is 1, and the remainder is 3, because the dividend is expanded by 10 times, so the quotient is, and the remainder is.
Check: Extended Data Results: Four rules of operation (calculation in order, multiplication and division first, addition and subtraction, parentheses before parentheses, and power first), i.e., off-form operations (recursive equation calculations) need to be carried out under the premise of this principle. Problem solving process:
If you have any doubts, please ask and be satisfied.
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Hello, it's a pleasure to be there for you!
Remove the decimal point first, and both the dividend and the divisor are enlarged by a factor of 10.
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Okay, please wait a minute, I'm calculating.
<> so this division vertical calculation is still a test of the proficiency of the multiplication formula.
Hope it helps! Give it a thumbs up!
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The vertical rolling scrambling type waiter balance formula is old-fashioned:
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Calculation formula: Twig oak.
Vertical formula: Fierce next to it.
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Calculation formula for the buried calculation of the bridge.
Radical elimination and dismantling vertical formula.
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The vertical solution is as follows:
x 11111.
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Such as Gao Zheng under the rent of the talk:
math problems.
The vertical operation steps are as follows:
1) The contract is equal to the same).
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This is a division formula with decimals, when the divisor is a decimal, the divisor is converted into an integer first, that is, the divisor and the dividend are multiplied by 10 respectively, and then the vertical calculation is carried out.
The vertical calculation is as follows:
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Calculation formula:
Vertical formula:
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Vertical calculations.
Calculation formula:Vertical formula:
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