54. Выполните действия:
1) 33 - 17 - 21:19 + 2020 : 10 + 4157;
2) 1288 : 23 + 81 : 29 – 42 - 28 - 799;
3) 4590 : 45 + 203 - 78 - 11 888;
4) 100 209 – 58 - 405 - 62 293 : 77.
1) 33 - 17 - 21:19 + 2020 : 10 + 4157;
2) 1288 : 23 + 81 : 29 – 42 - 28 - 799;
3) 4590 : 45 + 203 - 78 - 11 888;
4) 100 209 – 58 - 405 - 62 293 : 77.
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2) -23496/29