Ответ:

  1. a) 134 × 50 = 134 × 5 × 10 = 670 × 10 = 6700.

  2. b) 6300 ÷ 70 = 630 ÷ 7 = 90.

  3. c) 24 000 ÷ 800 = 240 ÷ 8 = 30.

  4. d) 31 × 600 = 31 × 6 × 100 = 186 × 100 = 18 600.

  5. e) 86 × 6000 = 86 × 6 × 1000 = 516 × 1000 = 516 000.

  6. f) 256 000 ÷ 8000 = 256 ÷ 8 = 32.

Javob: a) 6700; b) 90; c) 30; d) 18 600; e) 516 000; f) 32.