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①96969696×99999999÷32323232÷33333333②116+1112+1120+1130+1142+1156③246×321963123369④12×4+14×6+16×8+…+12008×2010.
题目详情
①96969696×99999999÷32323232÷33333333
②1
+1
+1
+1
+1
+1
③246×
④
+
+
+…+
.
②1
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
③246×
321963 |
123369 |
④
1 |
2×4 |
1 |
4×6 |
1 |
6×8 |
1 |
2008×2010 |
▼优质解答
答案和解析
①96969696×99999999÷32323232÷33333333,
=96×1010101×9×11111111÷(32×1010101×3×11111111),
=96×9÷(32×3),
=96×9÷96,
=9;
②1
+1
+1
+1
+1
+1
,
=(
+
+
+
+
+
)+6,
=(
-
+
-
+
-
+
-
+
-
+
-
)+6,
=
-
+6,
=6
;
③246×
,
=246×
,
=246×
=96×1010101×9×11111111÷(32×1010101×3×11111111),
=96×9÷(32×3),
=96×9÷96,
=9;
②1
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
=(
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
=(
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
5 |
1 |
6 |
1 |
6 |
1 |
7 |
1 |
7 |
1 |
8 |
=
1 |
2 |
1 |
8 |
=6
3 |
8 |
③246×
321963 |
123369 |
=246×
321×1003 |
123×1003 |
=246×
321 |
123 |
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