4个300是
[ ]
|
A.200 |
B.1200 |
C.120 |
D.2100 |
列式计算.
除数是
6,被除数是39,商几还余几?正确的列式计算是[
]|
A .39÷6=5……9 |
B .39÷6=6……3 |
|
C .39÷6=7……7 |
D .39÷6=8……1 |
70÷9=
[ ]
|
A.6……7 |
B.9……7 |
|
C.8……7 |
D.7……7 |
23÷4=
[ ]
|
A.3……3 |
B.8……3 |
|
C.5……3 |
D.9……3 |
下面错误的题是:
[
]|
A .16×4 |
B .28-20÷4 |
|
=2×4×8 |
=8÷4 |
|
=64 |
=2 |
|
C .12+6×3 |
D .50-4×5 |
|
=12+18 |
=50-20 |
|
=30 |
=30 |