Виленкин математика 5 класс

Упражнение 1165

Условие:

Решите уравнение:
1) х : 16 = 4759 + 1441; 3) 13 600 : z = 3876 - 3851;
2) у : 27 = 2467 - 1867;  4) (2865 + k) • 125 = 542 875.

 

Ответ:

1) x : 16 = 4759 + 1441 = 6200 => x = 6200 • 16 = 99 200;
2) у : 27 = 2467 - 1867 = 600 => у = 600 • 27 => у = 6200;
3) 13600 : z = 3876 - 3851 = 13600 => z = 13600 : 25 = 544;
4) (2865 + k) - 125 = 542 875 => 2865 + k = 542875 : 125 = 4343 => k = 4343 - 2865 = 1478.

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