-150+250=100
-15+(-23)
帆答=-15-23
态搭慧 枝宏 =-38
3 .-5-65=-70
4. -26-(-15)
=-26+15
=-11
5. -6*(-16)
=6*16
=96
6. -3/1*27=-9
7. 8÷(-16)
=-8*16/1
=-2/1