equation 196 1783 759 1997
text 152 1654 806 1752
equation 852 1710 1498 2003
equation 152 1509 814 1627
text 851 1388 1506 1702
equation 155 1229 802 1342
text 151 1380 806 1473
equation 902 401 1453 524
text 852 349 916 375
equation 852 718 1505 1314
text 151 188 808 1202
equation 959 242 1396 330
text 856 614 1310 691
text 854 190 962 220
header 162 130 1492 156