-48+−87-87−87 =-135
-89-−64-64−64=- 25
24×−25-25−25=- 600
1272÷−12-12−12=- 106
-48×−15-15−15=720
16+−91-91−91=-75
-48+−87-87−87 =-135
-89-−64-64−64=- 25
24×−25-25−25=- 600
1272÷−12-12−12=- 106
-48×−15-15−15=720
16+−91-91−91=-75