题目列表(包括答案和解析)
| 38+0.06=________; | (155+20)-65=________; | 64.2+5.7=________; |
| 543-27-73=________; | 0.97-0.09=________; | 12.8-9.86=________; |
| 17.05-4.58=________; | 9800÷25÷4=________; | 3.5+0.6=________; |
| 5-0.15=________; | 4.35+5.36=________; | 99×66+66=________; |
| 0.81+0.09=________; | 0÷78=________; | 50-20÷5=________; |
| 35×25×4=________. |
| 下面各题怎样简便就怎样计算 9.9×25 | 0.75×0.5×4×0.2 |
| 1.25×32×0.25 | 8.12×4+1.88×4 |
| 0.32×13.4-0.32×3.4 | 3.84×99+3.84 |
| 2.009×390+20.09×41+200.9×2 | (9.57+9.57+9.57+9.57 )×25. |
用简便方法计算
38.2-7.09-20.6-2.31
=
[ ]
|
A.3 |
B.8.2 |
|
C.1 |
D.25 |
连一连.
2.09
20.9020.9
0.2900.29
2929.0
2.92.90
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