表达式9: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals 1.8−10xy·e−x2+y2=1.8
9
表达式10: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.2−10xy·e−x2+y2=−0.2
10
表达式11: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.4−10xy·e−x2+y2=−0.4
11
表达式12: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.6−10xy·e−x2+y2=−0.6
12
表达式13: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.8−10xy·e−x2+y2=−0.8
13
表达式14: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1−10xy·e−x2+y2=−1
14
表达式15: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.2−10xy·e−x2+y2=−1.2
15
表达式16: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.4−10xy·e−x2+y2=−1.4
16
表达式17: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.6−10xy·e−x2+y2=−1.6
17
表达式18: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.8−10xy·e−x2+y2=−1.8
