()-()-4()-()-()()-5-()()-()-4()-()-()()-5-()横、竖、斜都等于24!

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/24 02:30:07
()-()-4()-()-()()-5-()()-()-4()-()-()()-5-()横、竖、斜都等于24!
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()-()-4()-()-()()-5-()()-()-4()-()-()()-5-()横、竖、斜都等于24!
()-()-4
()-()-()
()-5-()
()-()-4
()-()-()
()-5-()
横、竖、斜都等于24!

()-()-4()-()-()()-5-()()-()-4()-()-()()-5-()横、竖、斜都等于24!
大家都做出来了,我来写过程吧.
首先编号:
A B 4
C D E
F 5 G
因为横、竖、斜都等于24
则A+D+G=C+D+E=F+D+4=5+D+B
所以A+G=C+E=F+4=5+B
因为F+4=5+B
所以F=B+1
则A+B+4=A+C+F
那么
B+4=C+F=C+(B+1)
则C=3
由题目和已知条件可知:
A+B=E+G=20
A+F=D+E=21
B+D=F+G=19
得出:
E=20-G
D=21-E=21-(20-G)=21-20+G=1+G
另外
B=19-D
A+B=20
则A+(19-D)=20
A=20-(19-D)=20-19+D=1+D=1+(1+G)=2+G
又因为A+D+G=24
则(2+G)+(1+G)+G=24——>G=7
那么:
A+B+4=24——>B=11
3+D+E=24——>E=13
F+5+G=24——>F=12
结果是:
9.11.4
3.8.13
12.5.7

1-1

3 2 4
3 2 4
3 5 1

9,11,4,
3,8,13,
12,5,7

()-()-4
()-()-()
()-5-()

4 11 9
13 8 3
7 5 12

3 2 4
3 2 4
3 5 1
9,11,4,
3,8,13,
12,5,7
4 11 9
13 8 3
7 5 12

()-()-()
()-5-()

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