7km+8hm=……..m+……m=…..m By Admin ReiPosted on October 29, 2022 7km+8hm=……..m+……m=…..m 7km+8hm=7000m+800m=7800m 7 hm + 8 hm : 7 × 1000 + 8 × 100 7000 + 800 7800 m