equation 78 225 357 265
equation 85 822 376 912
equation 83 688 215 725
equation 516 840 727 874
equation 76 109 404 149
text 73 915 469 1157
text 500 110 899 813
text 503 957 899 1165
text 66 295 464 655
text 71 755 465 790
text 64 178 310 196