14.列竖式计算.(带★的要验算)
| 456÷38= | 728÷56= | ★650÷13= |
| 504÷28= | 469÷48= | ★857÷42= |
13.直接写出得数.
| 210÷30= | 23×50= | 720÷90= | 320÷80= |
| 450÷50= | 80÷40= | 480÷60= | 560÷70= |
| 160÷40= | 280÷70= | 360÷90= | 130×5= |
| 120×30= | 540÷60= | 630÷70= | 48÷4= |
| 36-28= | 19+7= | 140-108= | 45+9= |
12.学校用636元买了12个篮球,平均每个篮球( )元.
| A. | 50 | B. | 53 | C. | 63 |
11.100÷20=5,把100乘4,商是( )
| A. | 5 | B. | 9 | C. | 20 |
10.一个数除以18,余数可以是( )
| A. | 17 | B. | 18 | C. | 20 |
9.230÷30=7…( ),余数是( )
0 130958 130966 130972 130976 130982 130984 130988 130994 130996 131002 131008 131012 131014 131018 131024 131026 131032 131036 131038 131042 131044 131048 131050 131052 131053 131054 131056 131057 131058 131060 131062 131066 131068 131072 131074 131078 131084 131086 131092 131096 131098 131102 131108 131114 131116 131122 131126 131128 131134 131138 131144 131152 199269
| A. | 2 | B. | 20 | C. | 200 |