12.4-5.26+4.74-0.8用简便方法计算

12.4-5.26+4.74-0.8用简便方法计算
2025-06-27 00:41:37
推荐回答(1个)
回答1:

用简便方法计算
12.4-5.26+4.74-0.8
=(12.4-0.8)-(5.26+4.74)
=11.6-10
=1.6