2 câu trả lời
Answer
911+57−2011+813+27=(911−2011)+(57+27)+813=−1111+77+813=−1+1+813=0+813=813
911+57-2011+813+27
=(911-2011)+(57+27)+813
=-1111+77+813
=-1+1+813
=0+813
=813
Answer
911+57−2011+813+27=(911−2011)+(57+27)+813=−1111+77+813=−1+1+813=0+813=813
911+57-2011+813+27
=(911-2011)+(57+27)+813
=-1111+77+813
=-1+1+813
=0+813
=813