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
