Предмет: Математика, автор: kvasovaangelin

Выразите:
а) в квадратных метрах: 6га 56а; 2км2 67га;
22км2 65га 9а; 6км2 12а
б) в квадратных миллиметрах: 6см2 15мм2; 3дм2 8мм2

Ответы

Автор ответа: санекZnanija

0

а) 6 га 56 а=60000+5600=65600
2 км (в квадрате) 67 га=2000000+670000=2670000
22 км (в квадрате) 65 га 9 а=22000000+650000+900=22650900
6 км в квадрате и 12а=6000000+1200=6001200
б) 6см2 15мм2
1см2=100мм2
6*100+15=615мм2

3дм2 8мм2
1дм2=100см2
1см2=100мм2
3*100*100+8=30008мм2
вроде так

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