tolong jawabb.. bsk di kumpul.. –_–

1. (30 +7)+(80+9)= 126 potong
2. (1000+80)+(250+120)= 1450 lembar
3. (48+3)-(24+8)= 18 buah
4. (36+5)-(12+2)= 17 lusin
5. (360+25)- (144+16)= 225 potong

1 kodi = 20 potong
1 lusin = 12 buah
1 gross = 12 lusin
1 gross = 144 potong
1 rim = 500 lembar