4м2= 4*100=400дм2.
63 000см2= 63000 / 100 = 630дм2 8м2= 8 * 10000 = 80000см2.
8 100 дм2= 8100 / 100 = 81м2
4м2= 4*100=400дм2.
63 000см2= 63000 / 100 = 630дм2
8м2= 8 * 10000 = 80000см2.
8 100 дм2= 8100 / 100 = 81м2