4 数学表达方法 mathematical nomenclature 4.1 数字words of numbers
Round-off 四舍五入 3.045 three point zero four five 1/7 one-seventh 2/3 two-thirds 63 three and six-tenths 1032 thirty-two over eighty-seven (thirty-two divided by eighty-seven ) 87-4 negative four
4.2 运算words of operations
4.3 几何vocabulary of Geometry
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