Răspuns :
1 km=1000m, 12 km=12000m
1) ce lungime de sirma ne trebuie ?
12000x3=36000
2) cite bobine de cite 100 m se folosesc?
36000:100=360
Raspuns::360 bobine
1) ce lungime de sirma ne trebuie ?
12000x3=36000
2) cite bobine de cite 100 m se folosesc?
36000:100=360
Raspuns::360 bobine
12km intre doua localitati
12x3=36 de km de sarma
1km are 1000 de ml
36x1000=36000 de ml
1 bobina are 100 ml de sarma
3600:100=36 de bobine de sarma
12x3=36 de km de sarma
1km are 1000 de ml
36x1000=36000 de ml
1 bobina are 100 ml de sarma
3600:100=36 de bobine de sarma