1、 7 8 4 4 3x1710x15 2( x7)4x23 4(7x10)5(2x23) 2x6 7x9 6x1 x2 1 3 8 7 6 7x208x4 4(7x6)7(2x24) x1 x5 7x3 7x9 7 8 6 8 7x204x1 8(3x1)10x21 2(3x2)7(10x16) 4x2 6x5 x2 4x1 3 5 6 5 7x188x14 8(7x8)4x12 8(7x5)7(4x21) x8 9x8 2x9 6x7 4 7 8 3 5 5x86x23 4(5x7)4x7 6(7x4)3(8x4) 8x3 x9 5x2 8x3 7 8 4 7 5x146x4 4( x6)3
2、(6x17) 7x2 6x2 x3 9x1 8 5 3 8 x253(10x20) 8x9 2x7 8x6 8x5 1 7 3 7 7 5x52x24 4(7x9)9(2x23) 6x9 x9 5x9 x6 7 6 6 5 7x157(6x18) 7x9 9x4 4x9 8x4 8 8 3 7 9x256x24 4( x1)5(10x5) x7 x6 5x1 6x5 6 8 6 7 5x274x15 4(5x10)9(4x12) x2 3x9 x9 x9 3 4 6 4 9x287(4x10) x9 8x8 x4 3x2 4 7 6 4 3x46x29 6( x1)2x22 2(3x6)9(4
3、x17) 7x3 7x3 9x2 6x1 6 8 8 7 3x43(6x23) 2x7 6x8 7x1 4x3 3 5 6 3 5x103(6x7) 4x7 x8 7x6 8x5 3 8 8 7 5x148x19 4(7x6)9(2x5) 6x1 4x7 x2 x7 5 5 8 5 7x192x7 8(5x9)9(6x4) x8 6x6 x7 5x9 6 5 5 8 4 9x2510x2 6(3x1)4x26 2(9x1)8x14 6(5x8)3(10x24) 8x6 x7 8x4 7x7 7 3 7 6 x97(2x25) 4x1 x1 x6 5x2 3 6 3 4 x127(6x21) x
4、8 4x4 x2 x5 6 5 3 6 9x249(8x24) 6x6 x2 7x1 x9 7 5 8 4 7x27(8x11) 6x5 7x5 5x5 3x6 5 6 6 4 6x20 8(5x8)8x13 4(3x1)10x9 6(7x8)5(10x24) x8 x9 x9 5x6 3 3 4 4 7x232x11 2(7x9)6x12 2(7x10)10x29 6(7x5)5(8x28) x1 x1 x4 6x5 3 7 6 7 x144x5 4(9x4)8x19 2(5x1)3(6x24) 3x8 x8 4x9 5x1 4 5 5 4 4x2 4(9x4)2x5 8(7x1)5(2x26) 3x2 x4 3x2 9x4 4 6 4 8 x42x24 2(5x5)5(8x1) 7x1 7x8 x6 x7 6 8 5 6 7x223(4x2) x7 6x9 7x2 7x8 6 5 8 8 7x304x7 2( x8)8x18 2(7x1)7(10x4) 7x1 5x9 x1 9x7 7x249(4x12) x6 x2 7x1 2x7 4 5 6 3