Задача 1 (Знайти значення виразу)

Знайти значення виразу:

а) 1435 : (314 – 25·12 + 27);

б) (36·15 – 24+18):6;

в) (2162 + 74·11):12 – 199;

г) (1000:8 – 84 + 19)·11.

♦ Виконаємо всі дії  в заданих прикладах по порядку.

а) 1)  ;

2) 314 – 300 = 14;

3) 14 + 27 = 41;

4) .

Отже, 1435 : (314 – 25·12 + 27) = 35.

б) 1) ;

2) 540 – 24 = 516;

3) 516 + 18 = 534;

4) .

Отже, (36·15 – 24+18):6 = 89

в) 1) ;  2) ;  3) ;  4) .

Отже, (2162 + 74·11):12 – 199 = 49.

г) 1) ;

2) 125 – 84 = 41;

3) 41 + 19 = 60;

4) 60 · 11 = 660.

Отже, (1000:8 – 84 + 19)·11 = 660. ♦

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