计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)急,快啊

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 12:41:42
计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)急,快啊

计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)急,快啊
计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)
急,快啊

计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)急,快啊
(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)
=(7.75-5.75)-(12.25-3.25)-3.5
=2-9-3.5
=-10.5