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Vertical calculation process 482
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: 9 482=4338
Step 2: 9 482 = 43380
Step 3: 5 482 = 241000
According to the above calculation steps, the combination result is moved to the left by 1 decimal point for the check
Extended data for checking: the divisor is calculated from each digit from the high position to the divisor, the quotient obtained from each calculation is retained, and the remainder is added to the next digit for the calculation, and the divisor is calculated in this order, and the quotient obtained is combined in order, and the remainder is the result of the last operation.
Problem solving process: Step 1: Because the divisor is not an integer, first convert the divisor to an integer of 599, and the same multiple of the dividend is 288718
Step 2: 2887 599 = 4 The remainder is: 491 Step 3: 4911 599 = 8 The remainder is: 119 Step 4: 1198 599 = 2 The remainder is: 0
According to the above calculations, the combination result of the calculation steps is 482, the remainder is 0, please ask if you are in doubt, and you are satisfied.
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<> vertical calculations** as shown above.
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The 62x59 vertical style is written as follows:
In multiplication calculations, the difference between two numbers is multiplied by one number, so that the subtracted number and the subtracted number can be multiplied by this number, and then the resulting product is subtracted.
There are four issues to pay attention to in multiplication vertical calculation:1. When performing multiplication vertical calculations, 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 punch bend "0" at the end of the two numbers, you can only align the last digit of the number in front of "0" when writing the vertical type, and finally add the number of "hunger-resistant 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.
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Vertical calculation of 784 divided by 49:
The value of an unknown that equalizes the left and right sides of the equation is called the solution of the equation. The process of finding the solution of an equation is called solving an equation. An equation that must contain an equation of unknowns is called an equation. An equation doesn't have to be an equation, an equation has to be an equation.
The equation relies on the relationship between the parts of the equation, and the relationship between the parts of addition, subtraction, multiplication and division (addition + addition = sum, sum - one of the additions = another addition, difference + subtraction = subtraction, subtraction - subtraction = difference, subtraction - difference = subtraction, factor factor = product, product of one factor = another factor, dividend divisor = quotient, dividend quotient = divisor, quotient divisor = dividend).
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That's dividing. 784 divided by 49 equals 16
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The 59x48 vertical is as follows:x48
Each transition number is changed by the previous transition number and after the brother notices, the single digit of the previous transition number is multiplied by 2, if it needs to be carried forward, then the front 1, and then the single digit rises by 10 digits, and so on, and the single digit is added with a new operation number.
Pay attention to the multiplication vertical calculation:In the vertical multiplication, the last digit of the two numbers should be aligned, and try to write the number with more numbers on the top and the number with fewer numbers below to reduce the number of multiplications. Decimal multiplication determines the position of the small number of points of the product according to the multiple of the decimals.
If there is a "0" at the end of two numbers, you can only align the last digit of the number before the "0" when writing vertically, and finally add the number of "0" common to both numbers after the vertical product.
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This is a multiplication operation, and we can carefully look at the multiplication operation through the vertical matching calculation, and the answer is 1357. Filial piety.
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This problem of disturbing the cracked town is very simple, just be careful and serious.
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59*18 Vertical Book Calculation Solve the problem idea: the last digit of the two multipliers is aligned, and the second multiplier is multiplied by a multiplier in turn from the last digit to the previous multiplier, and the results of the calculation of all steps are added Solution process: Step 1:
8*59=472 Step 2: 10*59=590 Step 3: Replace
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The 4 is aligned with 9 and 8 is aligned with 5. The vertical type of 84 times 59 first calculates that 4 times 59 is equal to 236, and then calculates which land out of 8 times 59 equals 472, and then uses the remaining ten digits of 236 to add the ten digits and hundreds of digits of 472 respectively, which is equal to 4956.
Vertical parsing steps.
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; >>>More
Vertical calculation results 156 15 (
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; >>>More
As follows:
There are four issues to pay attention to in multiplication vertical calculation: >>>More
<> vertical calculations** as shown above.
Vertical calculations, 458 5.
Solution: When we calculate the division operation, try to choose the dividend. >>>More