星期一
一、计算:
2 1 3 1 27 10 10 11
1、 2、 3、 8 4 3 3
5 5 9 1 4 2 1 1 1 1
- = - = - = + = - =
12 12 10 10 5 5 6 3 2 8
星期四
(细心看清数字和符号,结果请用最简分数表示。)
3 3 1 1 4 3 7 5 5
+ = - = + = 1- = + =
8 8 2 5 7 7 8 6 6
5 3 1 9 3 5 5 3 5
1- = + = - = - = + =
12 5 2 10 10 7 7 8 8
1 7 1 3 3 1 9 1 9 3
+ = + = + = - = - =
6 12 4 4 7 2 10 2 10 5
2 1 4 3 7 11 5 1 5 1
- = - = + = - = + =
3 6 5 10 19 19 12 12 6 31 1 1 1 1 1 1 1 3 1
- = + = - = + = - =
5 6 6 4 7 8 8 8 8 3
5 4 5 1 4 2 1 5 5 2
+ = — = - = - = - =
9 9 9 3 5 3 2 12 6 3
1 1 1 7 5
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