ååä¹ä¸åç¾åä¹25=0
100x35%=35
0.6é¤ä»¥15%=4
25%x4=1
2.5x20%=0.5
0.8+2%=0.82
ååä¹ä¸ä¹ååä¹ä¸å ç¾åä¹25ä¹ååä¹ä¸
=1/4Ãï¼1/4+3/4ï¼
=1/4
6.6ä¹ç¾åä¹30å 6.6ä¹ç¾åä¹70
=6.6Ãï¼30%+70%ï¼
=6.6
ï¼å
«åä¹ä¸--ä¸åä¹äºï¼x24
=7/8Ã24-2/3Ã24
=21-16
=5
4x60%+äºåäºåä¹19x40%+äºåäºåä¹19x60%
=4Ã60%+19/25Ãï¼40%+60%ï¼
=2.4+0.76
=3.16
温馨提示:答案为网友推荐,仅供参考