能简算的要用简便方法计算.
4.3
×1.4-4.08÷2.4=[
]|
A .4.32 |
B .3 |
|
C .35.2 |
D .2.47 |
能简算的要用简便方法计算.
5.25
+7.2×3.5+4.75=[
]|
A .4.32 |
B .3 |
|
C .35.2 |
D .2.47 |
用简便方法计算.
40
×(0.25+2.5)=[
]|
A .110 |
B .10 |
|
C .7.6 |
D .82 |
用简便方法计算.
1.25
×32×0.25=[
]|
A .110 |
B .10 |
|
C .7.6 |
D .82 |
用简便方法计算.
7.6
×4.5-3.5×7.6=[
]|
A .110 |
B .10 |
|
C .7.6 |
D .82 |
用简便方法计算.
3.4
×8.2+8.2×6.6=[
]|
A .110 |
B .10 |
|
C .7.6 |
D .82 |
0.78
除以0.26的商,加上1.4乘6.5的积,和是[
]|
A .1.21 |
B .3 |
|
C .9.1 |
D .12.1 |
用简便方法计算.
(
12.5×0.4+10.5)÷2.5=[
]|
A .6.2 |
B .17.64 |
|
C .41.5 |
D .44 |
用简便方法计算.
(
10.64-3.6)×2.5÷0.4=[
]|
A .6.2 |
B .17.64 |
|
C .41.5 |
D .44 |
3.5
×(9.04-14.4÷3.6)=[
]|
A .6.2 |
B .17.64 |
|
C .41.5 |
D .44 |