array(50) {
  ["_timeless"]=>
  array(1) {
    [0]=>
    string(19) "field_6049d47b0fb99"
  }
  ["timeless"]=>
  array(1) {
    [0]=>
    string(1) "0"
  }
  ["_guid"]=>
  array(1) {
    [0]=>
    string(19) "field_5898423199c70"
  }
  ["guid"]=>
  array(1) {
    [0]=>
    string(32) "8e38f6f63748a9b69389a422c639c769"
  }
  ["_block_name"]=>
  array(1) {
    [0]=>
    string(19) "field_5898423999c71"
  }
  ["block_name"]=>
  array(1) {
    [0]=>
    string(7) "editor3"
  }
  ["_page"]=>
  array(1) {
    [0]=>
    string(19) "field_5898424199c72"
  }
  ["page"]=>
  array(1) {
    [0]=>
    string(8) "eidiseis"
  }
  ["_group"]=>
  array(1) {
    [0]=>
    string(19) "field_5898424999c73"
  }
  ["group"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_source"]=>
  array(1) {
    [0]=>
    string(19) "field_5898425399c74"
  }
  ["source"]=>
  array(1) {
    [0]=>
    string(122) "https://www.ipaidia.gr/mia-apli-arithmitiki-parastasi-gia-paidia-dimotikou-pou-omos-oi-perisoteroi-enilikoi-de-linoun.htm"
  }
  ["accordion__aioseop_noindex"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_post_views"]=>
  array(1) {
    [0]=>
    string(5) "16445"
  }
  ["rf_real_average"]=>
  array(1) {
    [0]=>
    string(1) "1"
  }
  ["_edit_lock"]=>
  array(1) {
    [0]=>
    string(12) "1662308397:9"
  }
  ["_edit_last"]=>
  array(1) {
    [0]=>
    string(1) "9"
  }
  ["_aioseop_opengraph_settings"]=>
  array(1) {
    [0]=>
    string(674) "a:13:{s:32:"aioseop_opengraph_settings_title";s:0:"";s:31:"aioseop_opengraph_settings_desc";s:0:"";s:36:"aioseop_opengraph_settings_customimg";s:0:"";s:37:"aioseop_opengraph_settings_imagewidth";s:0:"";s:38:"aioseop_opengraph_settings_imageheight";s:0:"";s:32:"aioseop_opengraph_settings_video";s:0:"";s:37:"aioseop_opengraph_settings_videowidth";s:0:"";s:38:"aioseop_opengraph_settings_videoheight";s:0:"";s:35:"aioseop_opengraph_settings_category";s:7:"article";s:34:"aioseop_opengraph_settings_section";s:0:"";s:30:"aioseop_opengraph_settings_tag";s:0:"";s:34:"aioseop_opengraph_settings_setcard";s:7:"summary";s:44:"aioseop_opengraph_settings_customimg_twitter";s:0:"";}"
  }
  ["date_modified"]=>
  array(1) {
    [0]=>
    string(10) "1457805120"
  }
  ["_date_modified"]=>
  array(1) {
    [0]=>
    string(19) "field_58a707aac5c0b"
  }
  ["priority"]=>
  array(1) {
    [0]=>
    string(1) "0"
  }
  ["_priority"]=>
  array(1) {
    [0]=>
    string(19) "field_5901c2c7b8d5b"
  }
  ["news_keywords"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_news_keywords"]=>
  array(1) {
    [0]=>
    string(19) "field_58e7c77583c33"
  }
  ["add_post_in_slide"]=>
  array(1) {
    [0]=>
    string(2) "no"
  }
  ["_add_post_in_slide"]=>
  array(1) {
    [0]=>
    string(19) "field_6020f9ae65c37"
  }
  ["protinomeno_arthro"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_protinomeno_arthro"]=>
  array(1) {
    [0]=>
    string(19) "field_6020eb6461762"
  }
  ["_wtpsw_views"]=>
  array(1) {
    [0]=>
    string(3) "519"
  }
  ["onesignal_meta_box_present"]=>
  array(1) {
    [0]=>
    string(1) "1"
  }
  ["onesignal_send_notification"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["onesignal_modify_title_and_content"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["onesignal_notification_custom_heading"]=>
  array(1) {
    [0]=>
    NULL
  }
  ["onesignal_notification_custom_content"]=>
  array(1) {
    [0]=>
    NULL
  }
  ["hefo_before"]=>
  array(1) {
    [0]=>
    string(1) "0"
  }
  ["hefo_after"]=>
  array(1) {
    [0]=>
    string(1) "0"
  }
  ["_yoast_wpseo_newssitemap-exclude"]=>
  array(1) {
    [0]=>
    string(3) "off"
  }
  ["_yoast_wpseo_newssitemap-genre"]=>
  array(1) {
    [0]=>
    string(6) "a:0:{}"
  }
  ["_yoast_wpseo_content_score"]=>
  array(1) {
    [0]=>
    string(2) "60"
  }
  ["_yoast_wpseo_estimated-reading-time-minutes"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["author_name_apopsis"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_author_name_apopsis"]=>
  array(1) {
    [0]=>
    string(19) "field_602e5ea1ff50d"
  }
  ["add_post_in_roi"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_add_post_in_roi"]=>
  array(1) {
    [0]=>
    string(19) "field_60210261bb8b7"
  }
  ["add_post_diada"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_add_post_diada"]=>
  array(1) {
    [0]=>
    string(19) "field_60211cd0e950e"
  }
  ["add_post_diada_next"]=>
  array(1) {
    [0]=>
    string(0) ""
  }
  ["_add_post_diada_next"]=>
  array(1) {
    [0]=>
    string(19) "field_60212afa891da"
  }
  ["followipaidia"]=>
  array(1) {
    [0]=>
    string(681) "

Ακολουθείστε το iPaidia στο Google News

Tελευταίες Ειδήσεις για την Παιδεία και την εργασία στο ipaidia.gr

Η Παιδεία στο Viber ΕΔΩ !

" } ["_followipaidia"]=> array(1) { [0]=> string(19) "field_600159e389967" } }

Αποστόλης Ζυμβραγάκης

Απάντηση:

Προηγείται ο πολλαπλασιασμός και η διαίρεση και μετά η πρόσθεση και η αφαίρεση. Επομένως:

6 – 0 + 1 = 7.