1.把下面各数化成百分数
0.15=15% 0.01=1% 1.21%=121% 0.314=31.4% 1=100%
2.把下面的百分数化成小数或整数
18%=0.18 5%=0.05 0.7%=0.007
126%=1.26 2.7%0.027 700%=7
3.先求出下面各题的商,再把它们改写成百分数.
5÷8 0.6÷4 7÷6
=0.625 =0.15 ≈1.167
=62.5% =15% =116.7
12÷20 5.4÷2 4÷25
=0.6 =2.7 =0.16
=60% =270% =16%
4.把下列各数按从大到小的顺序排列
．
1.21＞121.1%＞1.21＞1又5分之1
5.把相等的两个数用线连起来
5.6连560%
0.56连56%
5.06连506%
0.056连5.6%
6.
1.2=120%
135%＞120%＞96%
答：小明跳的最多,因为他占的百分比最大.
