5+5 +5555+789+240-347+345

2 câu trả lời

5+5+5555+789+240-347+345

=10+5555+789+240-347+345

=5565+789+240-347+345

=6354+240-347+345

=6594-347+345

=6247+345

=6592

5+5 +5555+789+240-347+345

= (5+5 +5555+345+240) + (789-347)

= 6150 + 442

= 6592