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Anonymous users2024-02-15An hour is equal to 30 minutes, and 1 hour is 60 minutes.
That is, half an hour, that is, 30 minutes.
minutes) multiplication:
Digit alignment, starting from the right, use the number on each bit of the second factor to multiply the first factor, and whichever digit is multiplied, the end of the number will be aligned with which digit of the second factor.
1. The number of tens is the two-digit multiplication method of 1: the unit digit of the multiplier is added to the multiplier, and the number is the front product, and the unit digit of the multiplier is multiplied by the unit of the multiplier, and the number is the back product, and the number is full of ten.
2. The single digit is a two-digit multiplication method of 1: multiply the ten digits with the ten digits, and the number is the previous product, and the ten digits are added to the ten digits, and the number is then written, and the full ten digits are added to one, and 1 is added at the end.
3. The two-digit multiplication method of ten digits with different single digits: the multiplier is added to the multiplier digit, and multiplied by the ten-digit integer, the product is used as the first product, and the single digit is multiplied by the single digit as the back product.
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Anonymous users2024-02-14An hour is equal to 30 minutes.
An hour is equal to 60 minutes, and an hour is equal to half a 60 minutes.
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Anonymous users2024-02-1330 minutes is 30 minutes because an hour is an hour in decimal terms, and an hour is half an hour.
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Anonymous users2024-02-12Because one hour is 60 minutes, half the size of one, so the hour is 30 minutes.
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Anonymous users2024-02-11The hour is 30 minutes. The calculation process is as follows:
1 hour = 60 minutes.
Hours = minutes.
So the hour is 30 minutes.
Multiplication Properties:Multiply the product of several numbers by a number, so that any factor in the product can be multiplied by this number, and then multiplied by other numbers. For example:
Multiplying the difference between two numbers by one number allows the subtracted number and the subtracted number to be multiplied by this number, and then the resulting product is subtracted. For example: (137-125) 8=137 8-125 8=96.
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Anonymous users2024-02-1030 minutes.
1 hour = 60 minutes of confession, hour = 30 minutes.
1 hour is converted into minutes, and 1 is multiplied by 60. 1 minute is converted into seconds, and 1 is multiplied by 60 to slide.
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Anonymous users2024-02-0930 minutes.
1 hour is equal to 60 minutes, so hours are equal to minutes.
Time is a unit of measurement often used in daily life, and the common units are years, months, days, hours, minutes, seconds, etc. In the mid-range process of calculating time, it is necessary to pay attention to the conversion between units and the accuracy of the spine in order to accurately calculate and express the hunger ridge.
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Anonymous users2024-02-0830 minutes.
An hour is equal to 30 minutes, and 1 hour is 60 minutes. That is, half an hour, that is, 30 minutes.
Digit alignment, starting from the right, use the number on each of the second factor to multiply the first factor, multiply to which digit, and the end of the number next to the cover is aligned with the second factor.
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Anonymous users2024-02-07It's 30 minutes.
One hour is equal to 60 minutes, so to convert hours to minutes, you need to multiply hours by 60, and hours multiplied by 60 to get 30, therefore, hours are equal to 30 minutes, and the same way can be calculated to divide 30 minutes by 60 to get hours. This means that 30 minutes and half an hour are equivalent.
The system of 1 hour equal to 60 minutes evolved from the 60-digit method first used by the ancient Babylonians. The ancient Babylonians were an ancient civilization in West Asia, they had high achievements in astronomical observation and calendar calculation, and the ancient Babylonians' 60-digit method was later passed on to other West Asian tribes, such as the Egyptians, Greeks, Romans, etc., which influenced their time measurement and angle omission system.
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Anonymous users2024-02-0630 minutes. 1 hour = 60 minutes, so the time of the small oak search = multiplied by 60 = 30 minutes. The hour is not the SI base unit of time, but an auxiliary time beam calendar unit that is in harmony with the SI basic unit of judgment.
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Anonymous users2024-02-0530 minutes. According to the relevant public information of Cha Rukuanlu Xun, 1 hour = 60 minutes, hours = minutes, hours is a unit of time, and hours are not the basic unit of the SI system of units, but an auxiliary time unit coordinated with the basic single slag band of the SI system.
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Anonymous users2024-02-04Hours are equal to 30 minutes
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