2 câu trả lời
!
17)-47.511+-47.611+247
=-47.(511+611)+2+47
=-47.1+2+47
=-47+2+47
=(-47+47)+2
=0+2
=2
Answer:
17)
-47.511+(-47).611+2.47
=47.(-511)+47.(-611)+2.47
=47.(-511)+(-611)+2)
=47.[(-1)+2]
=-47.1
=47
#Boy
!
17)-47.511+-47.611+247
=-47.(511+611)+2+47
=-47.1+2+47
=-47+2+47
=(-47+47)+2
=0+2
=2
Answer:
17)
-47.511+(-47).611+2.47
=47.(-511)+47.(-611)+2.47
=47.(-511)+(-611)+2)
=47.[(-1)+2]
=-47.1
=47
#Boy