竖式计算
3500×2=
[ ]
|
A.7280 |
B.7000 |
C.3480 |
D.3486 |
竖式计算
580×6=
[ ]
|
A.7280 |
B.7000 |
C.3480 |
D.3486 |
一个因数是8,另一个因数是205,积是
[ ]
|
A.1600 |
B.1540 |
C.1640 |
D.3486 |
竖式计算
1002×5=
[ ]
|
A.5100 |
B.5010 |
C.5001 |
D.5000 |
竖式计算
405×8=
[ ]
|
A.3240 |
B.3200 |
C.3420 |
D.3400 |
竖式计算
603×7=
[ ]
|
A.1224 |
B.4331 |
C.4221 |
D.4321 |
329乘3,积是
[ ]
|
A.887 |
B.987 |
C.897 |
D.977 |
竖式计算
138×7=
[ ]
|
A.966 |
B.696 |
C.669 |
D.916 |