班别：__________ 姓名：___________ 成绩：___________
一、心算口算我会算。
6 + 4 = 9 - 6 = 6 + 3 = 3 + 5 = 10 - 5 = 10 - 7 = 7 –3 = 5 + 4 = 8 - 4 = 2 + 1 + 1 = 4 + 2 + 1 = 3 + 2 + 1 = 1 + 3 + 1 =
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