Explicación paso a paso:
7/4×8/14×3/2=21/14
32/6× 12/6x4/32= 4/3
3/2×3/2×4/9×5/1×2/3=10/3
2/3 de 6= 2/3×6= 4
3/5 de 10= 3/5×10=6
1/2de16= 1/2×16=8
2/5×120=240/5=48km
faltan 120-48=72km
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Verified answer
Explicación paso a paso:
7/4×8/14×3/2=21/14
32/6× 12/6x4/32= 4/3
3/2×3/2×4/9×5/1×2/3=10/3
2/3 de 6= 2/3×6= 4
3/5 de 10= 3/5×10=6
1/2de16= 1/2×16=8
2/5×120=240/5=48km
faltan 120-48=72km