text 297 1309 1404 2030
equation 512 597 1401 652
equation 567 1221 1401 1276
text 297 1040 1401 1164
text 297 668 1400 781
text 297 543 1228 580
equation 649 951 1401 1019
equation 703 799 1401 882
text 297 900 1111 935
equation 680 486 1401 528
text 297 437 568 467
equation 297 312 1401 410
text 297 229 1401 294