Question

[vu anh thu]

3.(-4)\(^3\)-2 .(-5)+(-7)\(^2\).(-6)

(5).(-26-25)+(-4).(-51)

34.(47-75)+47.(75-34)

(-25).(75-45)-75.(45-25)

help me .......

Answer 1

[Nguyen Le Minh]

3.(-4)^3-2.(-5)+(-7)^2.(-6)=3.-64-(-10)+49.(-6)=(-192)-(-10)+(-294)=(-182)+(-294)=(-476)

(5).(-26-25)+(-4).(-51)=5.(-51)+204=(-255)+204=-51

34.(47-75)+47.(75-34)=34.(-28)+47.41=(-952)+1927=975

(-25).(75-45)-75.(45-25)=(-25).30-75.20=(-750)-1500=-2250

Answer 2

[vu anh thu]

thankyou verry much