-5/-15 + 9/7 + 1/-3 - (-276/14)

2 câu trả lời

-5-15+97+1-3-(-27614)

 =13+97-13+27614

=(13-13)+(97+27614)

=1814+27614

=29414

=21

-5-15+97+1-3-(-27614)

=13+97+-13+1387

=(13+-13)+(97+1387)

=0+21

=21