2.
填上恰当的数. 5×□=45; | 35÷□=7; | □×7=63; |
42÷□=6; | 48-□=8; | 6×□=30; |
8×□=56; | 54÷□=6; | □+7=24. |
1.用竖式计算下面各题.带*的保留两位小数.
7.36÷3.2= | 12÷4.8= | 7.42÷5.3= | 94.8÷7.9= |
*3÷7≈ | *1.3÷6.7≈ | *4.1÷2.8≈ | *7.5÷2.4≈ |
0.58÷29= | 7.8÷26= | 5.4÷2.7= | 0.96÷4= |
5.25÷0.5= | 5.6÷0.14= | 7.35÷0.5= | 8.55÷0.3= |
20.直接写出下列各题的得数.
0 162482 162490 162496 162500 162506 162508 162512 162518 162520 162526 162532 162536 162538 162542 162548 162550 162556 162560 162562 162566 162568 162572 162574 162576 162577 162578 162580 162581 162582 162584 162586 162590 162592 162596 162598 162602 162608 162610 162616 162620 162622 162626 162632 162638 162640 162646 162650 162652 162658 162662 162668 162676 199269
0.39÷13= | 0.28÷7= | 0.32÷8= | 0.36÷4= |
0.72÷6= | 0.72÷9= | 0.72÷12= | 2.1÷30= |
0.16÷8= | 1.8÷60= | 1.5÷3= | 0.46÷23= |
0.96÷6= | 0.72÷60= | 15÷30= | 24÷48= |
20.24÷4= | 0.36÷9= | 32.8÷8= | 1.28÷64= |