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九年义务教育小学数学第二册应用题是本册教学内容的重点之一,教材结合20以内的退位减法,安排了求另一个加数的减法应用题;结合两位数减一位数加整十数,安排了求两个数相差多少的应用
Nine years of compulsory primary school mathematics second application is the teaching content of this book is one of the key teaching materials combined with the abatement subtraction less than 20, arranged for another subtraction subtraction application; combined with two-digit minus one-digit plus The whole number of ten, arranged for the difference between how many two applications