脱式计算,能简算的要简算.
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[
]|
A . |
B . |
|
C .0 |
D . |
脱式计算,能简算的要简算.
![]()
[
]|
A . |
B . |
|
C .0 |
D . |
1
-[([
]|
A . |
B .40 |
|
C .30 |
D . |
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[
]|
A . |
B .40 |
|
C .30 |
D . |
![]()
[
]|
A . |
B .2 |
|
C . |
D .3 |
![]()
[
]|
A . |
B .2 |
|
C . |
D .3 |
![]()
[
]|
A . |
B . |
|
C . |
D . |
![]()
[
]|
A . |
B .2 |
|
C . |
D .3 |
2.5
×[(7.25-6.25)÷5]=[
]|
A .0.5 |
B .1105 |
|
C .89 |
D .279 |
1364
÷44×(507-498)=[
]|
A .0.5 |
B .1105 |
|
C .89 |
D .279 |