33 - 17 - 21:19 + 2020 : 10 + 4157 =
= 33 - 17 - 1.105 + 202 + 415.7 =
= 16 - 1.105 + 202 + 415.7 =
= 16 - 1.105 + 617.7 =
= 16 + 616.595 =
= 632.595
1288 : 23 + 81 * 29 - 42 : 28 - 799 =
= 55.913 + 2349 - 1.5 - 799 =
= 2403.413 - 1.5 - 799 =
= 2401.913 - 799 =
= 1602.913
4590 : 45 + 203 : 78 - 11 888 =
= 102 + 2.602 - 11 888 =
= 104.602 - 11 888 =
= -11 783.398
100 209 - 58 : 405 - 62 293 : 77 =
= 100 209 - 0.143209 - 806.012987 =
= 100 208.856791 - 806.012987 =
= 99 402.843804