text 151 785 808 1994
text 851 622 1506 1153
text 151 453 807 566
equation 866 522 1505 607
equation 891 1823 1505 1987
equation 880 1541 1505 1749
equation 206 283 805 426
equation 866 1168 1505 1253
text 851 192 1506 506
equation 866 1305 1505 1362
equation 165 594 805 756
text 851 1775 1502 1809
text 851 1269 1224 1294
text 151 188 806 256
text 851 1374 1507 1529
text 851 1374 1507 1529
header 578 124 1079 155