0.5×0.8×0.04×1.25×0.2×0.025

0.5×0.8×0.04×1.25×0.2×0.025 0.5*0.8*0.04*1.25*02.*0.025 用简便方法计算：0.5*0.8*0.04*1.25*0.2*0.025 帅锅、美女教我做做! 50×0.8×0.04×1.25×0.02×250简便计算 50×0.8×0.04×1.25×0.02×250 简便算法 0.5*0.8*0.4*1.25*25简便计算 0.625×0.8×0.04×0.5简便计算（递等式计算） 1.25X（8+0.8-0.04）可以巧算吗,如果可以怎么巧算 用简便方法计算：100.01*2.7= 0.42*160+36*1.6-34*3.2= 32*0.25*12.5*0.2*5= 11*22+0.22*3300+330*4.4=0.5*0.8*0.04*1.25*0.2*0.025= 0.92*54+0.46*92= 1.25的倒数,0.8的倒数,0.5的倒数 1.25*1.25*1.25*1.25*1.25*1.25*1.25*0.8*0.8*0.8*0.8*0.8*0.8*0.8如何巧算 设随机变量x~n(0.8,0.04),求下列概率,(1)P(X>0.5) (2)P(-0.2 0.8:0.04的比值 0.5:3/4的比值 5/12:2/3的比值 （1.25×8 ÷1.25×0. 0.9*1.25+9.1/0.8+1.25 化简比,求比值：0.04:0.5 1.2:1.25 0.07:4.2 8分之5:37.5﹪ 0.4:75﹪ 化简比,求比值：0.04:0.5 1.2:1.25 0.07:4.2 8分之5:37.5﹪ 0.4:75﹪ 简便运算：12.5*(8-0.8).2.7*4.3+5.7*2.7.0..77*99.6.18*9.9+0.618.0.25*1.25*0.8*40