一年级口算题:20以内的加法
<p>1)18 + 1 =</p><p>(2)18 + 1 =</p><p>(3)16 + 2 =</p><p>(4)3 + 12 =</p><p>(5)11 + 2 =</p><p>(6)7 + 10 =</p><p>(7)10 + 4 =</p><p>(8)17 + 1 =</p><p>(9)9 + 8 =</p><p>(10)8 + 12 =</p><p>(11)4 + 5 =</p><p>(12)5 + 12 =</p><p>(13)13 + 7 =</p><p>(14)7 + 8 =</p><p>(15)2 + 9 =</p>
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