Question

60. Вычислите удобным способом:
2) (25×37 896) × 4;
4) (200-25) × 4;
6) 638 × 87 + 362 × 87.​

Answer 1

Ответ:

2) (25×37 896) × 4 = (25×4) × 37896 = 100 × 37896 = 3789600

4) (200-25) × 4 =200×4-25×4 = 800-100=700

6) 638 × 87 + 362 × 87=(638+362)×87 = 1000×87=87000