3tấn8kg=......tấn6tấn25kg=......tấn4tạ=........kg5437kg=......tạ4dam²39dm²=.......dam²
53kg5g=.......kg
6hm²8m²=......m²
32m²48cm²=.……m²
9km²5m²=………km
6m²105cm²=………m²
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