Question

dau coroana???????????????​

Answer 1

Răspuns:

a) -7/2÷2/5= -7/2×5/2= -35/4

b) 12/13÷(-27/26)=12/13×26/27= (simplificam cu 13) 12/1×2/27= -24/27

c) -5/9÷10/33= -5/9×33/10= -1/3×11/2=1×11/3×2= -11/6

d) 3/8÷(-3/5)=3/8×(-5/3)=1/8×(-5/1)=(-5/8)