860÷230=86÷23=3…17 .
写出箭头所指的小数,并将这些数从大到小排列. > > > > > .
9.276保留一位小数大约是9.3. .
9.995保留两位小数得到的近似数是10.00 .
15.68扩大 倍是1568,6.5缩小 倍是0.0065.
6.070,20.05,0.060,300.54,7.00,75.0,33.30,0.004,90.10,8.08;能化简的小数: ;不能化简的小数: .