text 147 541 815 1958
text 147 326 814 454
equation 218 477 742 518
text 147 156 813 247
equation 322 270 637 304
text 884 155 1552 631
text 885 869 1553 1960
equation 884 665 1569 770
equation 1031 790 1404 865
text 888 776 958 798