Question

127 - ( 245 - 34 + 127 ) + 245 - 34

 

Answer 1

127-(245-34+127)+245-34

=127-245+34-127+245-34

=[127+(-127)]+[245+(-245)]+[34+(-34)]

=0+0+0

=0

Answer 2

127-(245-34+127)+245-34

=127-245+34-127+245-34

=(127-127)+[(-245)+245]+(34-34)

=0+0+0

=0