先算一算,再想一想括号在算式中起什么作用.
(
1)162-4×6÷3=[
]
(
[ ]
(
[ ]
|
A .316 |
B .245 |
|
C .46 |
D .154 |
(
1)8000-5250÷25×6=[
]
(
[ ]
(
[ ]
(
[ ]
|
A .46740 |
B .6740 |
|
C .7965 |
D .660 |
10
×8-30÷6=[
]|
A .200 |
B .1300 |
|
C .50 |
D .75 |
(
32+54÷3)×4=[
]|
A .200 |
B .1300 |
|
C .50 |
D .75 |
(
49+51)×13=[
]|
A .200 |
B .1300 |
|
C .50 |
D .75 |
0
×95+72÷36=[
]|
A .36 |
B .2 |
|
C .41 |
D .145 |
150
-150÷30=[
]|
A .36 |
B .2 |
|
C .41 |
D .145 |
100
÷20+18×2=[
]|
A .36 |
B .2 |
|
C .41 |
D .145 |