For all numbers x and y,let x∆y be definedas x∆y = x2 + xy + y2.What is the valueof (3∆1)∆1?英文看不懂不要紧
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 07:55:38
x͒mOPǿM,JZ̸+ߐP CI}@
y!ö>eWi`47<+oW
HfQn}Z.\\BGsUQF^\rǑ" )*ݒTBETZ)*,'l
ƆX]Vﺘ.DAF3Lh>!s#=5iKsKI"Ė?6$mXdIl