[{"id": "u4v98j", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\mathrm { _{Z-2}^{A-4}Y}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "2xttdw", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\mathrm { _{Z-1}^{\\ \\ \\ \\ \\ A}Y}", "is_multiline": false}], "text_styles": [], "block_styles": []}, {"id": "k7jo49", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\mathrm { _{Z+1}^{\\ \\ \\ \\ \\ A}X}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "vnoxm4", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\Large\\mathrm { _Z^AY}", "is_multiline": false}], "text_styles": [], "block_styles": []}] \Large\mathrm {\text {Элемент} \ _Z^A X \ \text {испытал} }\ \ \alpha -\text{распад.} \ \text{Какой заряд и массовое число будет у нового элемента Y}.