<span>(14,35)-(-53,5)-(+21,3)-(16 3/20)=46,55-323/20=46 55/100-323/20=4655/100-323/20=931/20-323/20=608/20=152/5=30 2/5
или
</span><span>(14,35)-(-53,5)-(+21,3)-(16 3/20)=46,55-16,15=30,4
</span><span>(-60)-(-15,9)-(+8,2)-(23,3)= -75,6
</span><span>
24,6+(-35,9)-(-6,5)+(-5,2)=</span> -10
(-32)-(-13,8)-(+26,3)-(27,5)= -72