text 297 1285 1402 1590
text 297 1654 1402 1747
equation 559 1881 1401 1943
equation 623 1760 1076 1823
equation 376 1200 1318 1271
equation 559 1605 1139 1640
text 297 526 1405 624
equation 648 638 1051 713
equation 423 772 1276 864
text 298 1835 1333 1866
text 298 133 849 163
equation 440 312 1259 390
equation 440 177 1259 255
text 297 728 690 758
text 297 878 1402 1186
text 297 269 576 299
equation 300 448 1608 512
text 298 404 652 434