一、直接寫得數(shù)
51.8,0.03,8,800
3.26,1.91,1000,1.28
8.19,2277,200,0.005
9.92,6500,0.0008,5
1.19,6,0.37,132
二、填空
1．604508000，六億零四百五十萬八千，億．
2．32368700000，324億．
3．25060
4．3，45
5．2，30
6．15060
7．整
8. 4.727,4.72
三、判斷
1．√
2．×
3．√
4．√
5．×
6．×
7．×
8．×
9．√
10．×
四、計(jì)算題
1．計(jì)算下面各題并驗(yàn)算
①8822 ②6……41
2．求未知數(shù)x
①x=15 ②x=3.479 ③x=11.49 ④x=56
3．計(jì)算下面各題，能用簡便算法的用簡便算法
①1491 ②943 ③3 ④6.59 ⑤6135 ⑥4 ⑦2.2
五、列式計(jì)算
1．82
2．250
3．50000
4．926
六、應(yīng)用題
1．60棵
2．224米
3．160千米
4．45×(20－5)÷5=135(米)
51.8,0.03,8,800
3.26,1.91,1000,1.28
8.19,2277,200,0.005
9.92,6500,0.0008,5
1.19,6,0.37,132
二、填空
1．604508000，六億零四百五十萬八千，億．
2．32368700000，324億．
3．25060
4．3，45
5．2，30
6．15060
7．整
8. 4.727,4.72
三、判斷
1．√
2．×
3．√
4．√
5．×
6．×
7．×
8．×
9．√
10．×
四、計(jì)算題
1．計(jì)算下面各題并驗(yàn)算
①8822 ②6……41
2．求未知數(shù)x
①x=15 ②x=3.479 ③x=11.49 ④x=56
3．計(jì)算下面各題，能用簡便算法的用簡便算法
①1491 ②943 ③3 ④6.59 ⑤6135 ⑥4 ⑦2.2
五、列式計(jì)算
1．82
2．250
3．50000
4．926
六、應(yīng)用題
1．60棵
2．224米
3．160千米
4．45×(20－5)÷5=135(米)