Initial upload of unified math dataset with all difficulty levels

Combined math dataset with 174 sub-datasets across 4 difficulty levels: easy (32), medium (64), hard (64), expert (14). Includes algebra, arithmetic, matrix operations, combinatorics, geometry, and logic puzzles.

README.md

@@ -5,6 +5,10 @@ dataset_info:
     dtype: string
   - name: setting_key
     dtype: string
+  - name: difficulty
+    dtype: string
+  - name: level
+    dtype: int32
   - name: messages
     sequence: string
   - name: ground_truth
@@ -15,10 +19,10 @@ dataset_info:
     dtype: string
   splits:
   - name: train
-    num_bytes: 212201693
+    num_bytes: 222497465
     num_examples: 425232
-  download_size: 33921747
-  dataset_size: 212201693
+  download_size: 34167171
+  dataset_size: 222497465
 configs:
 - config_name: default
   data_files:

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:bd15c5e68d1af826c117ab4ce9441e804be051bb39b4ae709cc1be16359c58ff
-size 33921747
+oid sha256:6eb3fbca87772c4c566276b21f48710a489d82a3b2f0472c7745c70c3f0e1fd2
+size 34167171