一年级数学(上册)一图四式练习题1.ppt
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= = = = (1) 6 2 4 + 6 4 2 + 2 4 6 4 2 6 = = = = (2) 5 3 2 + 5 2 3 + 3 2 5 2 3 5 = = = = (3) 4 1 5 1 4 5 5 4 1 + 5 1 4 + = = = = (4) 4 2 2 + 2 2 4 = = = = (5) 7 3 4 + 7 4 3 + 3 4 7 4 3 7 知识回顾Knowledge Review 祝您成功!
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