4.6
乘1.5的积，减去3.8除以2.5的商，差是[
]|
A ．6.9 |
B ．1.52 |
|
C ．5.83 |
D ．5.38 |
10.5
÷（5.2－4.5）×3.6＝[
]|
A ．10.2 |
B ．54 |
|
C ．10.89 |
D ．9.4 |
（
4－0.7）×（3.23＋0.07）＝[
]|
A ．10.2 |
B ．54 |
|
C ．10.89 |
D ．9.4 |
（
3.6－1.2）×4.25－0.8＝[
]|
A ．10.2 |
B ．54 |
|
C ．10.89 |
D ．9.4 |
2.7
与4.8的和乘0.6，所得的积再除8.1，结果是[
]|
A ．1.8 |
B ．2.6 |
|
C ．8.1 |
D ．0.8 |
60
减去40个0.25相加的和，再除以0.01，商是[
]|
A ．50 |
B ．500 |
|
C ．5000 |
D ．50000 |
12
÷[（4.3－2.38）×25]＝[
]|
A ．9.1 |
B ．112.8 |
|
C ．13.25 |
D ．0.25 |
9.4
×[（1.48＋1.52）÷0.25]＝[
]|
A ．9.1 |
B ．112.8 |
|
C ．13.25 |
D ．0.25 |
7.2
×2.3＋3.6×5.4＝[
]|
A ．4.65 |
B ．4.5 |
|
C ．36 |
D ．189 |
18.9
×4.9＋6.1×18.9－18.9＝[
]|
A ．4.65 |
B ．4.5 |
|
C ．36 |
D ．189 |