问题
填空题
按规律填数:100%,0.9,______(百分数),______(分数),______(小数),______(成数).
答案
0.9-0.1=0.8=80%;
0.8-0.1=0.7=
;7 10
0.7-0.1=0.6;
0.6-0.1=0.5=50%,也就是五成.
故答案为:80%,
,0.6,五成.7 10
按规律填数:100%,0.9,______(百分数),______(分数),______(小数),______(成数).
0.9-0.1=0.8=80%;
0.8-0.1=0.7=
;7 10
0.7-0.1=0.6;
0.6-0.1=0.5=50%,也就是五成.
故答案为:80%,
,0.6,五成.7 10