5.28十3.39+4.72十4.61用简便方法计算

5.28十3.39+4.72十4.61用简便方法计算
2025-04-02 02:33:35
推荐回答(1个)
回答1:

5.28十3.39+4.72十4.61
=(5.28十4.72)十(4.61+3.39)
=10+8
=18