3100g是多少斤

Question

如题所述

Answer 1

解：3100g是（ 6.2 ）斤
∵已知需求出3100g是多少斤
1 克(g) = 1 × 0.002 = 0.002 斤
∴3100g = 3100 × 0.002
= 3100 × 2/1000
= 3100 × 1/500
= 3100/500
= 31/5
= 6.2斤
答：3100g是6.2斤