−13+(−69)+57−(−89)−(53+(−49))=____.
60
−13+(−69)+57−(−89)−(53+(−49))
=−13−69+57+89−(53−49)
=−13−69+57+89−53+49
First, take all negative numbers and then take all positive numbers and add them,
=(−13−69−53)+(57+89+49)
=−135+195
=60 (since 195 > 130, result will be positive)