469 - 408 =267 - 201 =167 + 418 =472 + 219 =208 - 171 =780 + 206 =702 + 232 =565 + 222 =第 1 页，共 75 页479 + 240 =870 - 443 =293 - 152 =496 - 493 =467 + 499 =868 - 667 =680 - 664 =904 - 790 =第 2 页，共 75 页358 - 225 =150 + 100 =167 + 250 =947 + 145 =810 + 104 =399 + 214 =143 - 134 =145 - 118 =第 3 页，共 75 页863 - 254 =839 + 127 =854 + 101 =260 + 710 =657 - 277 =379 - 183 =920 + 100 =665 + 162 =第 4 页，共 75 页598 + 105 =841 + 120 =650 - 145 =924 + 103 =157 + 576 =337 + 131 =610 - 213 =240 + 588 =第 5 页，共 75 页391 - 306 =677 - 670 =422 + 183 =939 - 748 =474 + 135 =848 - 729 =223 + 685 =353 - 202 =第 6 页，共 75 页893 - 437 =819 + 117 =304 - 106 =968 - 807 =671 - 417 =368 - 300 =969 + 144 =719 - 241 =第 7 页，共 75 页968 + 132 =960 - 457 =740 - 302 =792 - 752 =915 - 720 =642 + 186 =105 + 485 =337 + 557 =第 8 页，共 75 页546 - 125 =995 + 136 =834 - 527 =592 - 382 =344 + 601 =338 + 524 =652 + 344 =435 - 215 =第 9 页，共 75 页903 - 509 =767 - 331 =709 - 692 =435 - 356 =684 - 150 =975 - 791 =690 - 110 =186 + 531 =第 10 页，共 75 页203 - 167 =872 + 124 =264 - 155 =833 - 783 =544 + 111 =880 - 508 =204 - 182 =633 - 173 =第 11 页，共 75 页327 + 531 =604 - 340 =184 - 130 =628 - 243 =233 - 172 =312 + 551 =786 + 159 =469 + 518 =第 12 页，共 75 页770 + 104 =230 - 163 =902 - 317 =514 - 268 =594 + 121 =715 - 244 =909 + 101 =970 + 115 =第 13 页，共 75 页491 - 250 =544 + 409 =453 + 251 =965 - 899 =993 + 161 =671 + 107 =589 - 210 =938 + 109 =第 14 页，共 75 页632 + 285 =334 - 157 =295 + 411 =495 - 263 =990 + 117 =400 - 121 =727 + 259 =137 - 122 =第 15 页，共 75...
