Olek 2 drogi do szkoły przebywa pieszo ,a pozostałe 3 km 5 tramwajem .Jak daleko uczeń ma do szkoły ?
Sposób 1:
1 - 2/5 = 3/5
3/5 = 3km
1/5 = x
x= (1/5 * 3) / 3/5
x= 3/5 * 5/3 = 1 km
1/5 = 1km
2/5 = 2km
2km + 3km = 5km całkowita droga Olka
Sposób 2:
1- 2/5 = 3/5
3km + 2km = 5km
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Sposób 1:
1 - 2/5 = 3/5
3/5 = 3km
1/5 = x
x= (1/5 * 3) / 3/5
x= 3/5 * 5/3 = 1 km
1/5 = 1km
2/5 = 2km
2km + 3km = 5km całkowita droga Olka
Sposób 2:
1- 2/5 = 3/5
3/5 = 3km
2/5 = 2km
3km + 2km = 5km