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Cami0202
a fost răspuns

Calculati: k)[(1/2+2/3+5/6):12/7-6*1/18]*1/4:(5*12/25-1 1/3)=...

Răspuns :

Renatemambouko
 k)[(1/2+2/3+5/6):12/7-6*1/18]*1/4:(5*12/25-1 1/3)=
=[(3+4+5)/6 ×7/12-1/3]*1/4:(12/5-4/3)=
=(12/6 ×7/12-1/3)*1/4: (36-20)/15=
=(7/6-1/3)*1/4: 16/15=
=(7-2)/6*1/4 × 15/16=
=5/6*1/4 × 15/16=
=5/24 × 15/16=25/128