请帮我算看胎儿体重2191g+325g等于几斤几两
135*****957_UaMk 2016-05-16 23:05
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2191g±325g等于(3)斤(7.32)两~(5)斤(0.032)两; (2191-325)/500=3.732(斤); (2191+325)/500=5.032(斤)
2191g±325g等于(3)斤(7.32)两~(5)斤(0.032)两; (2191-325)/500=3.732(斤); (2191+325)/500=5.032(斤)