五年级数学上册《四则混合运算》专项训练,计算练一练!

五年级数学上册《四则混合运算》专项训练,计算练一练!


简介:
0.08×(12.5+2.5)×0.1 =(0.08×12.5+0.08×2.5)×0.1 =(1+0.2)×0.1 =1.2×0.1 =0.12 25.92+(10.1﹣14.5×0.2) =25.92+(10.1﹣2.9) =25.92+7.2 =33.12 0.487×12.5÷48.7 =0.487÷48.7×12.5 =0.01×12.5 =0.125 (8.16+2.09)÷[(10.3﹣9.3)÷0.4] =10.25÷[1÷0.4] =10.25÷2.5 =4.1 1.56×1.7+0.44×1.7 =(1.56+0.44)×1.7 =2×1.7 =3.4