Question

5м² + 45м²⬜51дм²9м²⬜8дм35м²:7⬜6см²250м²⬜300м²-35м²​

Answer 1

5м² + 45м²=51дм²

9м²« 8дм

35м²:7» 6см²

250м²» 300м²-35м²

Answer 2

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галочки это больше или меньше

Answer 3

Let's break down the given expression step by step:

1. 5m² + 45m² = 50m²
2. ⬜51дм²9м²:8дм = (51dm²9m²) / (8dm) = (51 * 100 + 9) / 8 = 516 / 8 = 64.5m²
3. 35m²⬜8дм = 35m² * 8dm = 35 * 100 * 8 = 28,000cm²
4. 35m²:7⬜6см² = (35m²) / (7 * 6cm²) = (35 * 100) / (7 * 6) = 500cm²
5. 250m²⬜300m² = 250m² - 35m² = 215m²

Putting it all together:

5m² + 45m²⬜51дм²9м²:8дм35м²:7⬜6см²250м²⬜300м²-35м²

= 50m² + 64.5m² + 28,000cm² + 500cm² + 215m²

= 114.5m² + 28,500cm² + 215m²

= 329.5m² + 28,500cm²

Please note that I converted the units to be consistent throughout the calculation.