123 + 123 = 246
234 + 345 = 579
456 + 567 = 1023
678 + 789 = 1467
Click mik , mik click lại !!!!!!!!!!!!!!!!!!!!!
123+123=246
234+234=468
456+456=912
678+678=1356
T I C K NHA
123+123=246;234+345=579;456+567=1023;678+789=1467
đúng không
123+123=246
234+345=579
456+567=1023
678+789=1467
123+123=246
234+345=579
456+567=1023
678+789=1467
123 + 123 =246
234 + 345 =579
456 + 567 =1023
678 + 789 =1467