Bonsoir,
1) 2,65 km = 2 650 m = 265 000 cm
265 000 ÷ 5,3 = 50 000
échelle = 1/50 000
2) 2,1 × 50 000 = 105 000
105 000 cm = 1 050 m = 1,05 km
3) 800 m = 80 000 cm
80 000 ÷ 50 000 = 1,6 cm
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Bonsoir,
1) 2,65 km = 2 650 m = 265 000 cm
265 000 ÷ 5,3 = 50 000
échelle = 1/50 000
2) 2,1 × 50 000 = 105 000
105 000 cm = 1 050 m = 1,05 km
3) 800 m = 80 000 cm
80 000 ÷ 50 000 = 1,6 cm