1281

67

1-2286vn-28vn-4

202vn-22vn-4

x2104

121vn-2vn-4

x246

x2113+82vn-2

x464vn-4

2-388

20x2x3x3x7x2

x3303

13x2x3x1x3

x260

x3(10s1x8s4x1x1)

x1

82

12260

°x15

x165

12

x1

x3246

x1

x330381

82120

3-388

4-210

122

x388

13

5

x348

x281s1775105

x110

x112