用简便方法计算:9.24-11.73+2.76急!

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用简便方法计算:9.24-11.73+2.76急!用简便方法计算:9.24-11.73+2.76急!用简便方法计算:9.24-11.73+2.76急!9.24-11.73+2.76=9.24+2.76

用简便方法计算:9.24-11.73+2.76急!
用简便方法计算:9.24-11.73+2.76
急!

用简便方法计算:9.24-11.73+2.76急!
9.24-11.73+2.76
=9.24+2.76-11.73
=12-11.73
=0.27