简算3/4x[(7/15-1/5)/2/3].(58+27)x8+19/27.9.56-4.875-1/8+1.44

问题描述:

简算3/4x[(7/15-1/5)/2/3].(58+27)x8+19/27.9.56-4.875-1/8+1.44