数学口算练习题：小数的加法和减法
<p>2.94 - 2.66 =</p><p>7.23 + 2.43 =</p><p>6.15 + 5.53 =</p><p>7.89 + 2.27 =</p><p>5.64 - 2.05 =</p><p>8.6 + 9.63 =</p><p>4.23 + 1.89 =</p><p>4.66 + 2.57 =</p><p>9.95 + 2.24 =</p><p>5 + 2.19 =</p><p>5.6 - 2.6 =</p><p>3.44 - 1.1 =</p><p>9.4 - 6.14 =</p><p>8.85 + 4.4 =</p><p>9.07 - 8.21 =</p>
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