计算:5/6+23/24+59/60+119/120+209/210+83/84.

问题描述:

计算:

5
6
+
23
24
+
59
60
+
119
120
+
209
210
+
83
84

5
6
+
23
24
+
59
60
+
119
120
+
209
210
+
83
84

=1-
1
6
+1-
1
24
+1-
1
60
+1-
1
120
+1-
1
210
+1-
1
84

=6-
5
24
-
3
120
-
1
60

=6-
1
4

=
23
4