Răspuns:
11/25×11/4=
121/100=
13/5×(-6/5)=
- 78/25
(-2 5/6)×3/50=
-(2×6+5)/6×3/50=
-17/6×3/50=
-51/300=
-17/100
(-5/4)×(-3 8/15)=
(-5/4)× (-3×15+8)/15=
(-5/4)×(-45+8)/15=
(-5/4)×(-37/15)=
37/12
-4×17/24 =
-17/6
3 5/2×(-4/55)=
(3×2+5)/2× (-4/55)=
11/2×(-4/55)=
-2/5
Explicație pas cu pas: