口算。
|
| (1)0.8 | (2)0.4 | (3)100 | (4)0.6 |
| (5)1.5 | (6)410 | (7)5 | (8)2 |
| (9)3 | (10)19 | (11)660 | (12)0 |
| (13)560 | (14)230 | (15)3200 | (16)240 |
| (17)0 | (18)140 | (19)160 | (20)3600 |
| (21)1200 | (22)0.3 | (23)6.4 | (24)130 |
| (25)0 | (26)60 | (27)24 | (28)40 |
关注公众号回复:奥数答案
即可免费获得密码查看答案



[ ]
[ ]
a.2[ ]
a.三位数[ ]
a.102×5