简便计算2.7÷4 +6.3Ⅹ0.25=2.7x0.25+6.3x0.25=(2.7+6.3)x0.25=9x0.25=2.25
简便计算过程方法如下解:2.7÷4+6.3×0.25=2.7x0.25+6.3x0.25=(2.7+6.3)x0.25=9x0.25=2.25