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(2010•成都)计算:(1)371×539+248000×0.371+2130×371(2)2009×201020102010-2010×200920092009(3)2007+2006×20082007×2008-1+2008+2007×20092008×2009-1+2009+2008×20102009×2010-1(4)(111+121+131)×(121+131+141)-(11
题目详情
(2010•成都)计算:
(1)371×539+248000×0.371+2130×371
(2)2009×201020102010-2010×200920092009
(3)
+
+
(4)(
+
+
)×(
+
+
)-(
+
+
+
)×(
+
)
(5)
+
+
+
+
+
(6)2010-
-
-
-
-
-
-
-
.
(1)371×539+248000×0.371+2130×371
(2)2009×201020102010-2010×200920092009
(3)
2007+2006×2008 |
2007×2008-1 |
2008+2007×2009 |
2008×2009-1 |
2009+2008×2010 |
2009×2010-1 |
(4)(
1 |
11 |
1 |
21 |
1 |
31 |
1 |
21 |
1 |
31 |
1 |
41 |
1 |
11 |
1 |
21 |
1 |
31 |
1 |
41 |
1 |
21 |
1 |
31 |
(5)
1 |
4 |
1 |
28 |
1 |
70 |
1 |
130 |
1 |
208 |
1 |
304 |
(6)2010-
3 |
2 |
5 |
4 |
9 |
8 |
17 |
16 |
33 |
32 |
65 |
64 |
129 |
128 |
257 |
256 |
▼优质解答
答案和解析
(1)371×539+248000×0.371+2130×371=371×539+248×371+2130×371=371×(539+248+2130)=371×2971=1082207(2)2009×201020102010-2010×200920092009=2009×2010×100010001-2010×2009×100010001=0(3)20...
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