-25.72+25.21-49.25
= -25.72 + (-25).(-21) - (-49).(-25)
= -25. [72+(-21)-(-49)]
= -25.100
= -2500
-25.72+25.21-49.25
= 25.(-72)+25.21-49.25
= 25(-72+21-49)
=25.(-100)=-2500
-25.72+25.21-49.25=25.(-72)+25.21-49.25
= 25.(-72+71-49)
= 25.(-50)
= -1250