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