4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 15:10:58
x)332035432|ɾ/-|nOv/=0c=]#=Km#=C3]c=C"}j_`gC;EmA`]DRgbfa7V$ IeA6yvP_ـ9hZnnP|g} tFH<ՆtzSȇ r궾
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)
=4.25+15.27-18.1
=19.52-18.1
=1.42
3.84-2.9+2.16-3.1
=(3.84+2.16)-(2.9+3.1)
=6-6
=0
4.25+15.27-18.1=1.42
3.84+2.16-(2.9+3.1)=0
4.25-(18.1-15.27) 直接算就可以了
3.84-2.9+2.16-3.1=(3.84+2.16)-(2.9+3.1)=0