equation 135 800 500 865
equation 132 572 500 611
equation 549 1107 902 1134
equation 528 966 902 1013
text 520 100 901 953
text 118 100 499 556
text 118 627 500 782
text 520 1027 901 1092
text 118 868 499 1181
text 520 1143 901 1181