text 297 1561 1403 2035
text 297 583 1402 932
text 297 1005 1403 1199
text 297 368 1402 508
equation 466 526 1232 566
equation 525 949 1173 990
text 297 1277 897 1310
equation 623 1221 1074 1259
text 297 231 1402 294
equation 593 1462 1401 1549
equation 646 1330 1055 1416
text 298 1436 473 1462
equation 564 312 1402 348