1-6 Grade All Equivalence Relations about Mathematics
Unit of length: 1 km = 1 000m1m =1decimeter1decimeter =10cm10mm area unit. Square meter = 100 square decimeter 1 square decimeter = 100 square centimeter unit of volume: 1 cubic meter = 1000 cubic decimeter/cubic decimeter = 1 000 cubic centimeter unit of volume: