Respuesta:
a）100 cm + 15 cm = 115cm
b）300 cm + 40 cm = 340 cm
c）900 cm + 8 cm = 908 cm
1m = 100cm
15cm + 50cm + 50cm
40cm + 150cm + 150cm
8cm + 400 cm + 500cm
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Verified answer
Respuesta:
a）100 cm + 15 cm = 115cm
b）300 cm + 40 cm = 340 cm
c）900 cm + 8 cm = 908 cm
1m = 100cm
Respuesta:
15cm + 50cm + 50cm
40cm + 150cm + 150cm
8cm + 400 cm + 500cm