👤

a) 2 intregi1/2*1/5; b) 4*1 intreg 1/2

Răspuns :

2 intregi 1|2 *1|5 = 5|2* 1|5= 5|10 = 1|2

4* 1 intreg si 1|2 = 4*3|2 = 12|2 = 6
a) 2intreg1/2x1/5=
[(2x2+1)/2]x1/5=
5/2x1/5=simplificam cu 5=1/2

b)4x1intreg1/2=
4x[(1x2+1)/2]=
4x3/2=12/2=6