4 5 6 = 8 10 12-|||-7 8 9 14 16 18 ( ) ( )
times 4 的矩阵A的二阶子式共有多少?-|||-A 8-|||-B)12-|||-C 16-|||-D 18
() =0.75= ()div 20= ()% = () :24-|||-12-|||-= () 折-|||-3.1500平方米= () 公顷-|||-7.05
1 1 1 1-|||-2.四阶行列式 1 2 4 8-|||-= 12-|||-1 3 9 27-|||-1 4 16 64
[单选题]6,24,8,16,16,( )。A.0B.-1C.4D.8
[主观题]16824123628()A.16B.42C.64D.72
5 6 7 8 9 10 11 12 13 14-|||-15 16 17 18 19 20 21 22 23 24-|||-25 26 27 28 29 30
ē-|||-56.-|||-C-|||-a-|||-12- 过-|||-8-|||-4.-|||-0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
月份 1 2 3 4 5 6 7 8 9 10 11 12-|||-气温(℃) 25 24 22 18 14 8 7 9 12 17 21 23-|||-降水(
则 ()-|||-E/J-|||-30-|||-24-|||-18-|||-12-|||-6 Ⅱ-|||-0 2 3 4 5s/m-|||-1-|||-A.物块