24
+(56-10)=[
]|
A .7 |
B .21 |
|
C .64 |
D .70 |
43
+3×7=[
]|
A .7 |
B .21 |
|
C .64 |
D .70 |
53
÷53+7×9=[
]|
A .15 |
B .64 |
|
C .20 |
D .54 |
15
÷3+3×5=[
]|
A .15 |
B .64 |
|
C .20 |
D .54 |
32
÷2+38=[
]|
A .15 |
B .64 |
|
C .20 |
D .54 |
38
-48÷2=[
]|
A .200 |
B .320 |
|
C .14 |
D .43 |
39
÷13+40=[
]|
A .200 |
B .320 |
|
C .14 |
D .43 |
25
×8+20×6=[
]|
A .200 |
B .320 |
|
C .14 |
D .43 |
在算式
1344÷32+456-180里,应先算[ ]
|
A. 32+456 |
B. 456-180 |
|
C. 1344÷32 |
D. 1344+456 |
84
÷3×100=[
]|
A .100 |
B .2800 |
|
C .260 |
D .130 |