(-0.25)*(-2)*(-5/12)*(+0.8)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/13 07:53:25
(-0.25)*(-2)*(-5/12)*(+0.8)
![(-0.25)*(-2)*(-5/12)*(+0.8)](/uploads/image/z/17002125-45-5.jpg?t=%28-0.25%29%2A%28-2%29%2A%28-5%2F12%29%2A%EF%BC%88%2B0.8%EF%BC%89)
(-0.25)×(-2)×(-5/12)×(+0.8)=-(0.25×2×5/12×4/5)=-(1/4×2×5/12×4/5)=-1/6
比较 0.25 12分之5 9分之5 0.6 0.8 4分之4 0.99 0.45 2分之1 0.05
12×0.25+2×2.5+0.8×25的简便方法是
帮我计算几道题 能筒算的要筒算 12*(1/2+1/3-1/4)4*0.8*0.25*12.5
(0.8+1/4)÷3/5+0.25 求简算
计数:(-2/5)²÷(-12/5)-8/21×(-7/4)-0.25
简算0.8%×17×125%和18÷0.25和60×(5/12-1/5)和(80-9.8)×0.6-2.12
(7/3+5/3)×2又12/11×(4/45-0.25)
-2的三次方+(-0.1)的二次方*(-0.8)+(-4)*(-0.25)
0.4:0.12 2/3:0.8 4/7:5/12化简比(要过程)
简便:(1)18÷0.75×0.75 (2)12.5×0.7×0.8 (3)0.25×4.35-0.25×0.35 =
0.3/5/6+5/2 3/7/21*7/9 12/5/(1-9/4) 【1-(8/1+0.25)】/12/5 简便运算
6/7×5/9+4/9×6/7(简便计算) 0.8-(2/3+1/12)×8/9 5/6÷(6-5/12-7/12