问题 填空题 在横线里填上“<”、“>”或“=”3米______200厘米8t3kg______8001kg5600g______6kg50kg______5000g999km______2km2m2dm______2m9cm3吨______2800千克5800克______7千克7000千克______7吨. 答案 3米>200厘米8t3kg>8001kg5600g<6kg50kg>5000g999km>2km2m2dm>2m9cm3吨>2800千克5800克<7千克7000千克=7吨故答案为:>;>;<;>;>;>;>;<;=.