Вопрос:

18. Вычислите: 62 × 10; 34 × 10; 125 × 10; 321 × 10; 73 × 10; 97 × 10; 143 × 10; 563 × 10; 9 × 100; 8 × 100; 32 × 100; 42 × 100; 7 × 100; 6 × 100; 43 × 100; 51 × 100.

Ответ:

  1. \(62 \cdot 10 = 620\); \(34 \cdot 10 = 340\); \(125 \cdot 10 = 1250\); \(321 \cdot 10 = 3210\);
  2. \(73 \cdot 10 = 730\); \(97 \cdot 10 = 970\); \(143 \cdot 10 = 1430\); \(563 \cdot 10 = 5630\);
  3. \(9 \cdot 100 = 900\); \(8 \cdot 100 = 800\); \(32 \cdot 100 = 3200\); \(42 \cdot 100 = 4200\);
  4. \(7 \cdot 100 = 700\); \(6 \cdot 100 = 600\); \(43 \cdot 100 = 4300\); \(51 \cdot 100 = 5100\).