Question

VA ROG URGENT AM NEVOIE!!!​

Answer 1

Răspuns:

Explicație pas cu pas:

(2 2/5-1 2/5-1/6):[0,2(3)·10/7+1/2]²= (12/5-7/5-1/6):[(21/90)·(10/7)+1/2]²=

[(12-7)/5-1/6]:[(21·10)/(90·7)+1/2]²=(5/5-1/6):(3/9+1/2)²=(1-1/6):(1/3+1/2)²=

(5/6):(5/6)²=(5/6)·(6/5)²=(5·6²)/(6·5²)=6/5