2÷[(1/27-1/36)×9]×6 1.25×67.875+0.125×6787.5+125×0.53375.
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(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+...
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