"toán học" meaning in Vietnamese

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      "args": {
        "1": "算",
        "2": "to calculate",
        "3": "學",
        "4": "study",
        "suffix": "học"
      },
      "expansion": "Sino-Vietnamese word from 算學, composed of 算 (“to calculate”) and 學 (“study”)",
      "name": "vi-etym-sino"
    },
    {
      "args": {
        "1": "zh",
        "2": "算術",
        "3": "",
        "4": "arithmetic",
        "tr": "toán thuật"
      },
      "expansion": "Chinese 算術／算术 (toán thuật, “arithmetic”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 算學, composed of 算 (“to calculate”) and 學 (“study”). Compare Chinese 算術／算术 (toán thuật, “arithmetic”). See also số học (“arithmetic”).",
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      "expansion": "toán học",
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      "args": {},
      "expansion": "toán học",
      "name": "vi-noun"
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  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
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          "parents": [],
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        {
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          "langcode": "vi",
          "name": "Mathematics",
          "orig": "vi:Mathematics",
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            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        "mathematics (field of study)"
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      "id": "en-toán_học-vi-noun-IVnDekQn",
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        [
          "mathematics",
          "mathematics#English"
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  "sounds": [
    {
      "ipa": "[twaːn˧˦ hawk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
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    },
    {
      "ipa": "[twaːŋ˦˧˥ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
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    },
    {
      "ipa": "[t⁽ʷ⁾aːŋ˦˥ hawk͡p̚˨˩˨]",
      "note": "Saigon"
    }
  ],
  "word": "toán học"
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    {
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        "1": "算",
        "2": "to calculate",
        "3": "學",
        "4": "study",
        "suffix": "học"
      },
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      "name": "vi-etym-sino"
    },
    {
      "args": {
        "1": "zh",
        "2": "算術",
        "3": "",
        "4": "arithmetic",
        "tr": "toán thuật"
      },
      "expansion": "Chinese 算術／算术 (toán thuật, “arithmetic”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 算學, composed of 算 (“to calculate”) and 學 (“study”). Compare Chinese 算術／算术 (toán thuật, “arithmetic”). See also số học (“arithmetic”).",
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      "expansion": "toán học",
      "name": "head"
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      "args": {},
      "expansion": "toán học",
      "name": "vi-noun"
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    {
      "ipa": "[twaːŋ˦˧˥ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
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    {
      "ipa": "[t⁽ʷ⁾aːŋ˦˥ hawk͡p̚˨˩˨]",
      "note": "Saigon"
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  ],
  "word": "toán học"
}