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为了进一步巩固学生所学课堂知识,拓展学生的知识面,在小学数学教材中常选编了一些难度较大的综合性较强的习题供学生思考或解答,这是很有必要的。学生们解数学难题的情景表现虽各校有别,但大同小异。一部分学习基础较好且善动脑筋的学生,通过独立思考一段时间后大多能正确解答出来。但对学习中等或偏下的学生来讲情景则大不一样了:开初个个静心细阅、边写边画忙不停;不一会儿咬笔
In order to further consolidate the knowledge the students have learned in the classroom and broaden the students' knowledge, it is necessary to compile some more difficult comprehensive and comprehensive exercises for the students to think or answer in primary school mathematics textbooks. Students solve the mathematical problems of the scene although the school is different, but more or less the same. Some of the students who have a good learning base and a good brainpower can mostly correctly answer the questions after thinking for a period of time through independent thinking. However, the scenarios for middle and lower-middle-school students are quite different: at the beginning of a meditation, reading and writing are busy;