Ответ:
- \(570\cdot902\approx570\cdot900=513\,000\).
- \(625\cdot127\approx625\cdot130=81\,250\).
- \(315514:361\approx315000:360\approx875\).
- \(743700:925\approx744000:900\approx827\).
- \(3509\cdot9070\approx3500\cdot9000=31\,500\,000\).
- \(802494:386\approx802000:400\approx2005\).
Ответ: примерно 513 000; 81 250; 875; 827; 31 500 000; 2 005.
