计算下面各题,能简算的要简算. 8.5×(2.36+2.42)÷0.25 3.9÷1.3×6 4.25×6.3+3.7×4.25 2
计算下面各题,能简算的要简算.8.5×(2.36+2.42)÷0.253.9÷1.3×64.25×6.3+3.7×4.25205×9925.6-7.49-2.512.5-...
计算下面各题,能简算的要简算. 8.5×(2.36+2.42)÷0.25 3.9÷1.3×6 4.25×6.3+3.7×4.25 205×99 25.6-7.49-2.51 2.5-(6.8-4.9)×0.8.
展开
1个回答
展开全部
(1)8.5×(2.36+2.42)÷0.25, =8.5×4.78÷0.25, =40.63÷0.25, =162.52; (2)3.9÷1.3×6, =3×6, =18; (3)4.25×6.3+3.7×4.25, =4.25×(6.3+3.7), =4.25×10, =42.5; (4)205×99, =205×(100-1), =205×100-205×1, =20500-205, =20295; (5)25.6-7.49-2.51, =25.6-(7.49+2.51), =25.6-10, =15.6; (6)2.5-(6.8-4.9)×0.8, =2.5-1.9×0.8, =2.5-1.52, =0.98. |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询