(105+24)×15÷3
网友回答
能简便的就简便,不能简便的不简便。 一。3.4-0.15x2.6 二。(6.05-3.35...答:一。3.4-0.15x2.6 =3.14-0.39 =-2.75 二。(6.05-3.35)÷1.5x0.9 =2.7/1.5*0.9 =1.8*0.9 =1.62 三。(19.75-6.38)÷0.25 =13.37*4 =53.48 四。0.4x[1.4-(2.4-2.25)] =0.4*(1.4-2.4+2.25) =0.4*(-1+2.25) =0.4*1.25 =0.5