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“估算”这个词在日常生活中很少提到,但在生活中应用范围极大。全日制义务教育《数学课程标准》对估算教学提出的要求是:“在小学第一学段要求学生能结合具
”Estimate “ is rarely mentioned in everyday life, but it is extremely useful in life. Full-time Compulsory Education ”Mathematics Curriculum Standards“ on the evaluation of teaching requirements are: ”In the first phase of primary school requires students to combine