Examen de operaciones básicas de álgebra

["https://cdn.goconqr.com/uploads/media/image/12447965/desktop_fe73d01e-632a-464f-b1ef-5d7d531edef5.png","https://cdn.goconqr.com/uploads/media/image/12448008/desktop_f4d4d311-2097-4a02-9f35-3613e787e63c.png","https://cdn.goconqr.com/uploads/media/image/12448231/desktop_9fe2d442-22d6-4bbc-9c5b-34398b1c303c.png","https://cdn.goconqr.com/uploads/media/image/12448104/desktop_3c2888be-17cd-4f99-bc6b-35d517ffc607.png","https://cdn.goconqr.com/uploads/media/image/12448149/desktop_ac29e023-389d-45e4-becc-6860355096e2.png","https://cdn.goconqr.com/uploads/media/image/12447976/desktop_68fcbe6d-2629-40e6-a157-54fde9be4be1.png","https://cdn.goconqr.com/uploads/media/image/12447983/desktop_76d083f4-aff7-4be9-b2de-58e37ab1a362.png","https://cdn.goconqr.com/uploads/media/image/12447991/desktop_2a87ff59-09f5-4c49-84fc-f08c75ca1369.png","https://cdn.goconqr.com/uploads/media/image/12448014/desktop_ae9f5c55-3e5d-404c-86de-9be7fe836513.png","https://cdn.goconqr.com/uploads/media/image/12448021/desktop_2f25bc91-4f0d-44f5-9610-563216d9e3d6.png","https://cdn.goconqr.com/uploads/media/image/12448025/desktop_6b2a8778-328f-4c8f-9206-4fb3359c1b46.png","https://cdn.goconqr.com/uploads/media/image/12448076/desktop_36a7aae5-6f23-45c0-8f2e-9c1b65d910df.png","https://cdn.goconqr.com/uploads/media/image/12448080/desktop_09f89fae-a31d-4ecf-a0be-87facf89cca9.png","https://cdn.goconqr.com/uploads/media/image/12448089/desktop_a0964ae8-47f2-457f-9660-df9afe51dd58.png","https://cdn.goconqr.com/uploads/media/image/12448108/desktop_0573c06b-ab03-4d0c-9b49-ec36b09788d2.png","https://cdn.goconqr.com/uploads/media/image/12448118/desktop_dede1400-15c0-4994-906c-0c7381c511c3.png","https://cdn.goconqr.com/uploads/media/image/12448128/desktop_c73db8f2-9467-4591-acc6-df86795ca13d.png","https://cdn.goconqr.com/uploads/media/image/12448159/desktop_da680c0f-bc2e-45b6-89c8-44c0056c2e1d.png","https://cdn.goconqr.com/uploads/media/image/12448163/desktop_60323fc4-c3a5-4a7c-86ec-f948871252aa.png","https://cdn.goconqr.com/uploads/media/image/12448165/desktop_76b17b0e-d2ca-4bdc-bf96-646853e99bfd.png"]