一年级口算题:5以内的加减法
<p>(1)3 - 3 =</p><p>(2)3 - 1 =</p><p>(3)1 + 1 =</p><p>(4)4 + 1 =</p><p>(5)2 + 2 =</p><p>(6)2 - 2 =</p><p>(7)1 + 4 =</p><p>(8)1 + 2 =</p><p>(9)1 + 1 =</p><p>(10)1 - 1 =</p><p>(11)4 + 1 =</p><p>(12)2 - 2 =</p><p>(13)4 + 1 =</p><p>(14)1 + 1 =</p><p>(15)2 - 1 =</p>
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