10的加减法 同学们,你们能看图写几道算式? + 找朋友!哪两个数合起来是10 * 1 9 4 10 7 10 2 10 = - = 9 1 1 10 + = - = 1 9 9 1 10 10 10 9 同学们,你们能看图写几道算式? + = - = 8 2 2 10 + = - = 2 8 8 2 10 10 10 10 8 同学们,你们能看图写几道算式? + = - = 7 3 3 10 + = - = 3 7 7 3 10 10 10 10 7 同学们,你们能看图写几道算式? + = - = 6 4 4 10 + = - = 4 6 6 4 10 10 10 10 6 5 + 5 = 10 10 - 5 =5 1 6 5 4 3 2 9 8 7 5 *
10的加减法.ppt
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