9.5-3.8x0.4÷7.6=9.5-(3.8÷7.6)ⅹ0.4=9.5-0.5╳0.4=9.5-0.2=9.3
9.5-3.8x0.4÷7.6=9.5-3.8÷7.6x0.4=9.5-0.5x0.4=9.5-0.2=9.3谢谢,请采纳
9.5-3.8x0.4÷7.6=9.5-3.8÷19=9.5-0.2=9.3