7乘56,积是
[ ]
|
A.63 |
B.352 |
C.392 |
D.386 |
450×(283-276)=
[ ]
|
A.3150 |
B.8200 |
C.2610 |
D.3480 |
竖式计算
1080×9=
[ ]
|
A.7920 |
B.9720 |
C.2970 |
D.9270 |
竖式计算
2100×5=
[ ]
|
A.10500 |
B.15000 |
C.50100 |
D.34800 |
竖式计算
305×6=
[ ]
|
A.8130 |
B.3180 |
C.1830 |
D.1380 |
竖式计算
297×4=
[ ]
|
A.1088 |
B.188 |
C.1168 |
D.1188 |
竖式计算
418×3=
[ ]
|
A.1264 |
B.1259 |
C.1254 |
D.1244 |
竖式计算
37×7=
[ ]
|
A.529 |
B.259 |
C.249 |
D.239 |