(-12)-(5-12) (-12)×3-(-18):(-9)

Question

(-12)-(5-12)  (-12)×3-(-18):(-9)

ngocbichchau · Answer

(-12)-(5-12)  =(-12)-5+12  =[(-12)+12]-5  =0-5  =-5  --------  (-12)×3-(-18):(-9)  =(-36)-2  =-38

hatuanlan · Answer

Giải đáp:   (-12)-(5-12)   =(-12)-5+12   =(12-12)-5   =0-5   =-5   ______________   (-12)xx3-(-18):(-9)   =(-36)-2   =-(36+2)   =-38