问题 解答题
(1)206×18+292
(2)14.4÷0.2×3
(3)(6
3
4
-5
7
12
+1
5
12
3
11

(4)[(1.5+2
2
3
)×1.6]÷
1
3

(5)2005×20062006-2006×20052005
(6)2006-2005+2004-2003+2002-2001+…+4-3+2-1.
答案

(1)206×18+292,

=3708+292,

=4000;

(2)14.4÷0.2×3,

=72×3,

=216;

(3)(6

3
4
-5
7
12
+1
5
12
)×
3
11

=(6

9
12
-5
7
12
+1
5
12
)×
3
11

=

31
12
×
3
11

=

31
44

(4)[(1.5+2

2
3
)×1.6]÷
1
3

=[(

3
2
+
8
3
)×
8
5
1
3

=[

25
6
×
8
5
]×3,

=

20
3
×3,

=20;

(5)2005×20062006-2006×20052005,

=2005×2006×10001-2006×2005×10001,

=0;

(6)2006-2005+2004-2003+2002-2001+…+4-3+2-1,

=(2006-2005)+(2004-2003)+…+(4-3)+(2-1),

=1×1003,

=1003.

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