Overview: 1 questions will be solved this time.Among them
☆1 integer calculations
[1/1 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 51222530357105501599241943702831968645361283629056*51222530357105501599241943702831968645361283629056nbsp; 解:
方程化为一般式后,用因式分解法化为:
( x + 2 )( x - 2 )=0
由
x + 2 = 0
x - 2 = 0
得:
x1=-2
x2=2
有 2个解。
解一元二次方程的详细方法请参阅:《一元二次方程的解法》 Solution:
51222530357105501599241943702831968645361283629056*51222530357105501599241943702831968645361283629056 =
2623747616184594665188776149599433609310273079639763177169805301725323896138407331758863873407451136 Column vertical calculation:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5 | 1 | 2 | 2 | 2 | 5 | 3 | 0 | 3 | 5 | 7 | 1 | 0 | 5 | 5 | 0 | 1 | 5 | 9 | 9 | 2 | 4 | 1 | 9 | 4 | 3 | 7 | 0 | 2 | 8 | 3 | 1 | 9 | 6 | 8 | 6 | 4 | 5 | 3 | 6 | 1 | 2 | 8 | 3 | 6 | 2 | 9 | 0 | 5 | 6 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | 5 | 8 | 5 | 5 | 7 | 7 | 1 | 2 | 4 | 9 | 9 | 7 | 3 | 8 | 5 | 1 | 1 | 1 | 9 | 4 | 6 | 9 | 3 | 6 | 0 | 5 | 9 | 1 | 9 | 8 | 2 | 3 | 7 | 8 | 0 | 5 | 1 | 7 | 5 | 2 | 8 | 9 | 8 | 5 | 4 | 0 | 3 | 3 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 5 | 3 | 6 | 6 | 7 | 5 | 9 | 1 | 0 | 7 | 1 | 3 | 1 | 6 | 5 | 0 | 4 | 7 | 9 | 7 | 7 | 2 | 5 | 8 | 3 | 1 | 1 | 0 | 8 | 4 | 9 | 5 | 9 | 0 | 5 | 9 | 3 | 6 | 0 | 8 | 3 | 8 | 5 | 0 | 8 | 8 | 7 | 1 | 6 | 8 | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2 | 0 | 4 | 8 | 9 | 0 | 1 | 2 | 1 | 4 | 2 | 8 | 4 | 2 | 2 | 0 | 0 | 6 | 3 | 9 | 6 | 9 | 6 | 7 | 7 | 7 | 4 | 8 | 1 | 1 | 3 | 2 | 7 | 8 | 7 | 4 | 5 | 8 | 1 | 4 | 4 | 5 | 1 | 3 | 4 | 5 | 1 | 6 | 2 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | 6 | 1 | 0 | 0 | 2 | 7 | 7 | 3 | 2 | 1 | 3 | 9 | 4 | 9 | 5 | 1 | 4 | 3 | 9 | 3 | 1 | 7 | 7 | 4 | 9 | 3 | 3 | 2 | 5 | 4 | 8 | 7 | 7 | 1 | 7 | 8 | 0 | 8 | 2 | 5 | 1 | 5 | 5 | 2 | 6 | 6 | 1 | 5 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5 | 1 | 2 | 2 | 2 | 5 | 3 | 0 | 3 | 5 | 7 | 1 | 0 | 5 | 5 | 0 | 1 | 5 | 9 | 9 | 2 | 4 | 1 | 9 | 4 | 3 | 7 | 0 | 2 | 8 | 3 | 1 | 9 | 6 | 8 | 6 | 4 | 5 | 3 | 6 | 1 | 2 | 8 | 3 | 6 | 2 | 9 | 0 | 5 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | 2 | 0 | 4 | 8 | 9 | 0 | 1 | 2 | 1 | 4 | 2 | 8 | 4 | 2 | 2 | 0 | 0 | 6 | 3 | 9 | 6 | 9 | 6 | 7 | 7 | 7 | 4 | 8 | 1 | 1 | 3 | 2 | 7 | 8 | 7 | 4 | 5 | 8 | 1 | 4 | 4 | 5 | 1 | 3 | 4 | 5 | 1 | 6 | 2 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 2 | 4 | 4 | 5 | 0 | 6 | 0 | 7 | 1 | 4 | 2 | 1 | 1 | 0 | 0 | 3 | 1 | 9 | 8 | 4 | 8 | 3 | 8 | 8 | 7 | 4 | 0 | 5 | 6 | 6 | 3 | 9 | 3 | 7 | 2 | 9 | 0 | 7 | 2 | 2 | 5 | 6 | 7 | 2 | 5 | 8 | 1 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | 4 | 6 | 1 | 0 | 0 | 2 | 7 | 7 | 3 | 2 | 1 | 3 | 9 | 4 | 9 | 5 | 1 | 4 | 3 | 9 | 3 | 1 | 7 | 7 | 4 | 9 | 3 | 3 | 2 | 5 | 4 | 8 | 7 | 7 | 1 | 7 | 8 | 0 | 8 | 2 | 5 | 1 | 5 | 5 | 2 | 6 | 6 | 1 | 5 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | 4 | 6 | 1 | 0 | 0 | 2 | 7 | 7 | 3 | 2 | 1 | 3 | 9 | 4 | 9 | 5 | 1 | 4 | 3 | 9 | 3 | 1 | 7 | 7 | 4 | 9 | 3 | 3 | 2 | 5 | 4 | 8 | 7 | 7 | 1 | 7 | 8 | 0 | 8 | 2 | 5 | 1 | 5 | 5 | 2 | 6 | 6 | 1 | 5 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | 5 | 1 | 2 | 2 | 2 | 5 | 3 | 0 | 3 | 5 | 7 | 1 | 0 | 5 | 5 | 0 | 1 | 5 | 9 | 9 | 2 | 4 | 1 | 9 | 4 | 3 | 7 | 0 | 2 | 8 | 3 | 1 | 9 | 6 | 8 | 6 | 4 | 5 | 3 | 6 | 1 | 2 | 8 | 3 | 6 | 2 | 9 | 0 | 5 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 5 | 1 | 2 | 2 | 2 | 5 | 3 | 0 | 3 | 5 | 7 | 1 | 0 | 5 | 5 | 0 | 1 | 5 | 9 | 9 | 2 | 4 | 1 | 9 | 4 | 3 | 7 | 0 | 2 | 8 | 3 | 1 | 9 | 6 | 8 | 6 | 4 | 5 | 3 | 6 | 1 | 2 | 8 | 3 | 6 | 2 | 9 | 0 | 5 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | 5 | 8 | 5 | 5 | 7 | 7 | 1 | 2 | 4 | 9 | 9 | 7 | 3 | 8 | 5 | 1 | 1 | 1 | 9 | 4 | 6 | 9 | 3 | 6 | 0 | 5 | 9 | 1 | 9 | 8 | 2 | 3 | 7 | 8 | 0 | 5 | 1 | 7 | 5 | 2 | 8 | 9 | 8 | 5 | 4 | 0 | 3 | 3 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | 1 | 5 | 3 | 6 | 6 | 7 | 5 | 9 | 1 | 0 | 7 | 1 | 3 | 1 | 6 | 5 | 0 | 4 | 7 | 9 | 7 | 7 | 2 | 5 | 8 | 3 | 1 | 1 | 0 | 8 | 4 | 9 | 5 | 9 | 0 | 5 | 9 | 3 | 6 | 0 | 8 | 3 | 8 | 5 | 0 | 8 | 8 | 7 | 1 | 6 | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | 1 | 5 | 3 | 6 | 6 | 7 | 5 | 9 | 1 | 0 | 7 | 1 | 3 | 1 | 6 | 5 | 0 | 4 | 7 | 9 | 7 | 7 | 2 | 5 | 8 | 3 | 1 | 1 | 0 | 8 | 4 | 9 | 5 | 9 | 0 | 5 | 9 | 3 | 6 | 0 | 8 | 3 | 8 | 5 | 0 | 8 | 8 | 7 | 1 | 6 | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | 1 | 0 | 2 | 4 | 4 | 5 | 0 | 6 | 0 | 7 | 1 | 4 | 2 | 1 | 1 | 0 | 0 | 3 | 1 | 9 | 8 | 4 | 8 | 3 | 8 | 8 | 7 | 4 | 0 | 5 | 6 | 6 | 3 | 9 | 3 | 7 | 2 | 9 | 0 | 7 | 2 | 2 | 5 | 6 | 7 | 2 | 5 | 8 | 1 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | 1 | 0 | 2 | 4 | 4 | 5 | 0 | 6 | 0 | 7 | 1 | 4 | 2 | 1 | 1 | 0 | 0 | 3 | 1 | 9 | 8 | 4 | 8 | 3 | 8 | 8 | 7 | 4 | 0 | 5 | 6 | 6 | 3 | 9 | 3 | 7 | 2 | 9 | 0 | 7 | 2 | 2 | 5 | 6 | 7 | 2 | 5 | 8 | 1 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | 1 | 0 | 2 | 4 | 4 | 5 | 0 | 6 | 0 | 7 | 1 | 4 | 2 | 1 | 1 | 0 | 0 | 3 | 1 | 9 | 8 | 4 | 8 | 3 | 8 | 8 | 7 | 4 | 0 | 5 | 6 | 6 | 3 | 9 | 3 | 7 | 2 | 9 | 0 | 7 | 2 | 2 | 5 | 6 | 7 | 2 | 5 | 8 | 1 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | 5 | 1 | 2 | 2 | 2 | 5 | 3 | 0 | 3 | 5 | 7 | 1 | 0 | 5 | 5 | 0 | 1 | 5 | 9 | 9 | 2 | 4 | 1 | 9 | 4 | 3 | 7 | 0 | 2 | 8 | 3 | 1 | 9 | 6 | 8 | 6 | 4 | 5 | 3 | 6 | 1 | 2 | 8 | 3 | 6 | 2 | 9 | 0 | 5 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 2 | 5 | 6 | 1 | 1 | 2 | 6 | 5 | 1 | 7 | 8 | 5 | 5 | 2 | 7 | 5 | 0 | 7 | 9 | 9 | 6 | 2 | 0 | 9 | 7 | 1 | 8 | 5 | 1 | 4 | 1 | 5 | 9 | 8 | 4 | 3 | 2 | 2 | 6 | 8 | 0 | 6 | 4 | 1 | 8 | 1 | 4 | 5 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | 2 | 6 | 2 | 3 | 7 | 4 | 7 | 6 | 1 | 6 | 1 | 8 | 4 | 5 | 9 | 4 | 6 | 6 | 5 | 1 | 8 | 8 | 7 | 7 | 6 | 1 | 4 | 9 | 5 | 9 | 9 | 4 | 3 | 3 | 6 | 0 | 9 | 3 | 1 | 0 | 2 | 7 | 3 | 0 | 7 | 9 | 6 | 3 | 9 | 7 | 6 | 3 | 1 | 7 | 7 | 1 | 6 | 9 | 8 | 0 | 5 | 3 | 0 | 1 | 7 | 2 | 5 | 3 | 2 | 3 | 8 | 9 | 6 | 1 | 3 | 8 | 4 | 0 | 7 | 3 | 3 | 1 | 7 | 5 | 8 | 8 | 6 | 3 | 8 | 7 | 3 | 4 | 0 | 7 | 4 | 5 | 1 | 1 | 3 | 6 |
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