equation 531 383 888 450
equation 532 561 893 643
equation 136 456 488 538
equation 137 758 490 810
equation 134 297 490 350
equation 532 972 886 1109
equation 135 161 491 184
equation 531 99 890 213
text 134 834 495 1059
text 530 666 894 954
text 528 248 893 362
text 133 574 495 738
text 529 473 894 539
text 530 1132 894 1172
text 132 374 494 435
text 132 209 493 277
text 133 100 494 140