（1）2÷[（127-136）×9]×6，=2÷[127×9-136×9]×6，=2÷[13-14]×6，=2÷112×6，=2×12×6，=144；（2）1.25×67.875+0.125×6787.5+125×0.53375，=125×0.67875+125×6.7875+125×0.53375，=125×（0.67875+...