text 851 1713 1506 1977
text 151 1478 808 1987
text 851 190 1508 1291
equation 872 1574 1386 1676
text 151 1294 809 1357
text 156 1143 645 1174
text 851 1438 1508 1537
text 151 350 807 1023
equation 359 1382 580 1453
equation 341 1048 615 1119
equation 336 1199 620 1270
equation 1095 1320 1261 1420
equation 396 222 562 258
equation 390 300 566 334
text 152 192 236 218
text 152 274 198 298