[{"id": "ad9oj2", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\text{нейтрон}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "pka7gq", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\text{дейтерий}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "lhlji5", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\text{электрон}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "d19euo", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\text{протон}", "is_multiline": true}], "text_styles": [], "block_styles": []}] \Large\mathrm{\text{Какая испускаемая частица X участвует в ядерной реакции: } \ _2^4He + _{\ \ 5}^{11}B \to _{\ \ 7}^{14}N + X}