Предмет: Математика, автор: VIPmari

Реши по действиям:17893-379*(235-198)+489 И. 1789-379*235-(198+489)
Помогите пожалуйста

Ответы

Автор ответа: trishkina1999
7
17893-379*(235-198)+489=4359
1) 235-198=37
2) 379*37=14023
3) 17893-14023=3870
4) 3870+489=4359

17893-379*235-(198+489)=-70485
1) 198+489=687
2) 379*235=89065
3) 89065-687=88378
4) 17893-88378=-70485








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