1+0.8+0.8*0.8+0.8*0.8*0.8的极限怎么算

2、0.8、0.56、0. 1+0.8+0.8*0.8+0.8*0.8*0.8的极限怎么算 0.8:0.4=x:0. 1+2-0.8是? 计算0.8×（x+0.8）=0.8 X=0.8^_0.1 Y=0.8^_0.2 Z=log3^0. 0.8×4. 0.8*27.9 0.8加 x-0.8x=0.8 356,0.8,改写成以0. (1.5*0.6+0.6*0.8+1.5*0. x—0.8x＝0. 一样的题目,0.8+1.7+0. 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 1-0.8*x=0.6 1-0.8*x=0.6 0.8:2/1的比值 0.8:1/2的比值,