4.4+18.6÷3.1简便计算
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4.4+18.6÷3.1简便计算
4.4+18.6÷3.1简便计算
4.4+18.6÷3.1简便计算
4.4+18.6÷3.1
=4.4+18.6÷31÷0.1
=4.4+0.6÷0.1
=10.4
4.4+18.6÷3.1简便计算
4.4+18.6÷3.1简便计算
4.4+18.6÷3.1简便计算
4.4+18.6÷3.1
=4.4+18.6÷31÷0.1
=4.4+0.6÷0.1
=10.4