Question

(-215+131+57) - (131 - 215 + 47 )

Answer 1

( -215 + 131 + 57 ) - ( 131 - 215 +47 )

= -215 + 131 + 57 - 131 + 215 - 47

= ( -215 + 215 ) + ( 131 - 131 ) + ( 57 - 47 )

= 0 + 0 + 10

=10

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Answer 2

10 

Tik mình nha

Answer 3

(-215+131+57) - (131 - 215 + 47 )

=141- (-37)

=178

Answer 4

(-215+131+57) - (131 - 215 + 47 )

=-215+131+57-131+215-47

=(-215+215)+(131-131)+(57-47)

=0+0+10

=10

tick mik đi

Answer 5

(-215+131+57)-(131-215+47

=-215+131+57-131+215-47

=(-215+215)+(131-131)+(57-47)

=0+0+10=10

(tích nha)