temat:wyraź podane masy we wskazanej jednostce.
g
1 dag = 10 g
1 kg = 1000 g
80dag=80*10g=800g
5kg=5*1000g=5000g
20kg=20*1000g=20 000 g
16dag 5g=10*10g+5g=160g+5g=165g
dag
1 kg = 100 dag
7kg=7*100dag=700dag
30kg=30*100dag=3000dag
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1 dag = 10 g => 1g=\frac{1}{10}dag
400g=400*\frac{1}{10}dag=40dag
5kg 8dag=5*100dag+8dag=508dag
kg
1 dag=\frac{1}{100}kg
700dag = 700*\frac{1}{100}kg=7kg
1g=\frac{1}{1000}kg
20 000 g = 20 000 *\frac{1}{1000}kg= 20 kg
1 t = 1000 kg
150 t = 150 * 1000 kg = 150 000 kg
8 t 20 kg = 8 * 1000 kg + 20 kg = 8000 kg + 20 kg = 8020 kg