Răspuns:
13 037 x 19 – 183 004 =247. 703-183.004=64.699
214 387 + 107 412 x 3 =214.387+322.236=536.623
922 104 : 9 + 577 935=102.456+ 577.935=680.391
805 793 - 885 983:23 =805.793-38.521=767.272
789 456 - 52 148 x 13 =789.456-677.924=111.532
307 502 + 130 312 : 8 =307.502+16.289=323.791