equation 516 311 776 388
equation 516 869 843 947
equation 534 576 871 600
equation 516 75 866 197
text 132 40 490 1100
text 515 962 871 1099
text 515 403 872 568
text 515 623 872 849
text 514 213 870 297
text 514 37 820 60