-25.72+25.21-49.25
=25.(-72)+25.21-49.25
=25.(-72+25-49)
=25.(-96)
=-2400
\(-25.72+25.21-49.25\)
\(=-72\cdot25+25\cdot21-49\cdot25\)
\(=25\left(-72+21-49\right)\)
\(=25.\left(-100\right)\)
\(=-2500\)
=-25.(72-21+49)
=-25.100=-2500
-25.72+25.21-25.25
=25.(-27+21-49)
=-25.55
=-1375
-25.72+25.21-49.25
=25.(-72)+25.21-49.25
=25.(-72+21-49)
=25.(-100)
=-2500
