Question

Calculati fractiile>
1 doime+2 treimi+3 patrimi+5 sasimi = ????
1 doime+1 treime+1 sasime+1 noime+1 pe 12 = ????
1 doime+ patrime+ 1 optime+1 pe 16+ 1 pe 32 = ????
1 doime+1 treime+1 cincime+1 sasime+1 zecime+1 pe 15+1 pe 30=????
Va rooooooooooooooog!
Dau coroana si 17p

Answer 1

1) 1/2+2/3+3/4+5/6 egal  (6+8+9+10)/12 (aducem la numitorul comun) egal33/12 egal 2 intreg si 9/12
2) (1/2+1/3+1/6+1/12)+ 1/9 egal 13/12+1/9 egal 7/36
3) 1/2+1/2+1/8+1/16+1/32 egal 31/32
4)1/2+1/3+1/5+1/6+1/10+1/15+1/30 egal 40/30 egal 1 intreg si 10/30












1/2+1/3+1/6+1/12 )