38.4
除以6.4的商再减去2.7与0.3的积，差是[ ]
|
A ．6 |
B ．5.19 |
|
C ．0.81 |
D ．51.9 |
一个数的
4.8倍比100还多10.4，这个数是[ ]
|
A ．10 |
B ．19.8 |
|
C ．20 |
D ．23 |
6.86
÷（0.28×3.5）＝[ ]
|
A ．0.1 |
B ．1.2 |
|
C ．0.5 |
D ．7 |
0.8
×0.7×1.25＝[ ]
|
A ．42 |
B ．53 |
|
C ．5.6 |
D ．0.7 |
6.86
除以0.28与3.5的积，商是[
]|
A ．0.98 |
B ．7 |
|
C ．24.5 |
D ．1.96 |
6.3
÷0.6－5＝[
]|
A ．5.5 |
B ．8.6 |
|
C ．0.3 |
D ．3 |
1.2
÷2×0.5＝[
]|
A ．5.5 |
B ．8.6 |
|
C ．0.3 |
D ．3 |
8
－2.5－2.5＝[
]|
A ．5.5 |
B ．8.6 |
|
C ．0.3 |
D ．3 |
2.2
＋7.8－1.4＝[
]|
A ．5.5 |
B ．8.6 |
|
C ．0.3 |
D ．3 |
1
÷5×0.5＝[
]|
A ．1 |
B ．0.1 |
|
C ．5 |
D ．10 |