Question

transforma fractiile urmatoare in fractii cu acelasi numitor, apoi rezolva:
1/2-1/4=
1/4-1/8=
1/3-1/6=
1/5-1/10=
1/2-3/8=

Answer 1

1/2-1/4=2/4-1/4=1/4.(amplifici cu 2)
1/4-1/8=1/8( ampl.cu 2)
1/3-1/6=1/6(ampl.cu 2)
1/5-1/10=1/10
1/2-3/8=1/8(ampl.cu4).