Question

Calculează cât mai rapid posibil:​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 1/3+1/4+1/5+2/3+3/4+4/5= (1/3+2/3)+(1/4+3/4)+(1/5+4/5)= 3/3+4/4+5/5= =1+1+1=3

b) 5/2+7/3+11/6-3/2-4/3-5/6= (5/2-3/2)+(7/3-4/3)+(11/6-5/6) = =2/2+3/3+6/6=1+1+1=3