作业帮7.23+6.84+0.84+2.77简便
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/31 21:02:30
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7.23+6.84+0.84+2.77简便
7.23+6.84+0.84+2.77简便
7.23+6.84+0.84+2.77简便
7.23+6.84+0.84+2.77
=(7.23+2.77)+6+(0.84+0.84)
=10+6+0.84*2
=16+1.68
=17.68
7.23+6.84+0.84+2.77=(7.23+2.77)+(6.84+0.84)=10+7.68=17.68
我怀疑原题是-0.84