a) Zamieniamy na milimetry:
[tex]1 \ m = 1000 \ mm\\1 \ cm = 10 \ mm[/tex]
5 m = 5 · 1000 = 5000 mm
38 cm = 38 · 10 mm = 380 mm
zatem
5m 38 cm 8mm = 5000 mm + 380 mm + 8 mm = 5388 mm
b) Zamieniamy na kilometry:
[tex]1 \ m = 0,001 \ km\\1 \ cm = 0,00001 \ km\\1 \ mm = 0,000001 \ km[/tex]
7 m = 7 · 0,001 km = 0,007 km
45 cm = 45 · 0,00001 km = 0,00045 km
25 mm = 25 · 0,000001 km = 0,000025 km
zatem:
7 m 45 cm 25 mm = 0,007 km + 0,00045 km + 0,000025 km = 0,007475 km
c) Zamieniamy na centymetry:
[tex]1 \ m = 100 \ cm\\1 \ mm = 0,1 \ cm[/tex]
75 m = 75 · 100 cm = 7500 cm
13 mm = 13 · 0,1 cm = 1,3 cm
75 m 29 cm 13 mm = 7500 cm + 29 cm + 1,3 cm = 7530,3 cm
d) Zamieniamy na milimetry:
[tex]1 \ dm = 100 \ mm\\1 \ cm = 10 \ mm[/tex]
89 dm = 89 · 100 mm = 8900 mm
32 cm = 32 · 10 mm = 320 mm
89 dm 32 cm 2 mm = 8900 mm + 320 mm + 2 mm = 9222 mm
e) Zamieniamy na kilometry:
12560 m = 12560 · 0,001 km = 12,56 km
35 cm = 35 · 0,00001 km = 0,00035 km
5 mm = 5 · 0,000001 km = 0,000005 km
12 560 m 35 cm 5 mm = 12,56 km + 0,00035 km + 0,000005 km = 12,560355 km
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Zamiana jednostek długości
a) Zamieniamy na milimetry:
[tex]1 \ m = 1000 \ mm\\1 \ cm = 10 \ mm[/tex]
5 m = 5 · 1000 = 5000 mm
38 cm = 38 · 10 mm = 380 mm
zatem
5m 38 cm 8mm = 5000 mm + 380 mm + 8 mm = 5388 mm
b) Zamieniamy na kilometry:
[tex]1 \ m = 0,001 \ km\\1 \ cm = 0,00001 \ km\\1 \ mm = 0,000001 \ km[/tex]
7 m = 7 · 0,001 km = 0,007 km
45 cm = 45 · 0,00001 km = 0,00045 km
25 mm = 25 · 0,000001 km = 0,000025 km
zatem:
7 m 45 cm 25 mm = 0,007 km + 0,00045 km + 0,000025 km = 0,007475 km
c) Zamieniamy na centymetry:
[tex]1 \ m = 100 \ cm\\1 \ mm = 0,1 \ cm[/tex]
75 m = 75 · 100 cm = 7500 cm
13 mm = 13 · 0,1 cm = 1,3 cm
zatem:
75 m 29 cm 13 mm = 7500 cm + 29 cm + 1,3 cm = 7530,3 cm
d) Zamieniamy na milimetry:
[tex]1 \ dm = 100 \ mm\\1 \ cm = 10 \ mm[/tex]
89 dm = 89 · 100 mm = 8900 mm
32 cm = 32 · 10 mm = 320 mm
zatem:
89 dm 32 cm 2 mm = 8900 mm + 320 mm + 2 mm = 9222 mm
e) Zamieniamy na kilometry:
[tex]1 \ m = 0,001 \ km\\1 \ cm = 0,00001 \ km\\1 \ mm = 0,000001 \ km[/tex]
12560 m = 12560 · 0,001 km = 12,56 km
35 cm = 35 · 0,00001 km = 0,00035 km
5 mm = 5 · 0,000001 km = 0,000005 km
zatem:
12 560 m 35 cm 5 mm = 12,56 km + 0,00035 km + 0,000005 km = 12,560355 km