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