Initial upload of easy (level 1) math dataset

Math dataset containing 160,065 examples from the easy (level 1) difficulty level. Includes algebra, arithmetic, matrix operations, combinatorics, geometry, and logic puzzles.

README.md

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+---
+dataset_info:
+  features:
+  - name: id
+    dtype: string
+  - name: setting_key
+    dtype: string
+  - name: difficulty
+    dtype: string
+  - name: level
+    dtype: int32
+  - name: messages
+    sequence:
+    - name: role
+      dtype: string
+    - name: content
+      dtype: string
+  - name: ground_truth
+    dtype: string
+  - name: dataset
+    dtype: string
+  - name: omega_split
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 69144738
+    num_examples: 160065
+  download_size: 7786525
+  dataset_size: 69144738
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+---

data/train-00000-of-00001.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:5042e5cfbe26bbe662edf3795f5c7e844b37e5767aff7b7c1f1bf82b330fb87f
+size 7786525