Question

Completati pentru a face adevarate egalitatile :
a)84 s= ...supra 4 min
b)1304 s=...60 min
c)1 h=1 supra 2 + ... supra 5 min
d)2 h=un intreg(1) 1 supra 2 h+ ... supra 20min
e)3 intregi(3)1 supra 2 h= 2 intregi(2)2 supra 3 h +... supra 60 min.

Answer 1

84S=84/240
1304=1304/3600
1h=1/2+12/5
2h=1+1/2+60/20
3+1/2=2+2/3+3/60