题型：填空题 题类：常考题 难易度：普通
乘除法的估算(两位数)(复习)5270 10
512×69≈
64032÷79≈
|
403×91≈ |
21×198≈ |
369×9≈ |
354×38≈ |
|
397÷21≈ |
482÷79≈ |
811÷92≈ |
639÷82≈ |
72÷6= | 230+80= | 360÷18= | 350÷5= | 150×6= |
350÷70= | 725﹣85= | 52×248≈ | 612÷29≈ | 632÷92≈ |
①34+66＝ | ②0.875﹣13%＝ | ③1800÷45＝ | ④6.4+9.6＝ |
⑤0.23＝ | ⑥ | ⑦*12×98≈ | ⑧*3602÷61≈ |
试题篮
