《2025年口算训练四年级数学下册人教版升级版》

300×50 =
50×800 =
120×400 =
500×110 =
700×600 =
130×300 =
200×200 =
800×900 =
220×300 =
500×60 =
230×30 =
320×300 =
320×400 =
200×440 =
230×400 =
540×400 =
700×900 =
210×200 =
600×20 =
120×50 =
240×300 =

答案：

0.□7＜0.7
0.1□＜0.2
0.25□＜0.266
7.2□＜7.3
8.0□＜8.09
7.□＜7.8
0.5＜0.□
9.99＜10.□
80.1＜80.□
30.6□＜31
8.09□＜8.091
8.□9＜8.99
1.5□＜2.0□
4.6□＜5.□□
0.72＜1.□
7.2□＜8.□1
0.□99＜1.1□
3.2□2＜3.2□2
8.56＜8.□4
9.□9＜9.1
0.2□＞0.28

答案：

57÷19×100 =
36÷(75÷75) =
6×8÷16 =
9600÷25÷4 =
0÷375×12 =
7×(34 - 24) =
16 + 32÷8 =
9×(20 - 14) =
(76 - 76)÷4 =
99÷33 + 17 =
18×5÷45 =
13000÷8÷125 =
900÷100×6 =
510÷17×3 =
10 + 90÷10 =
12×99 + 12 =
8×125×0 =
37×101 =
420÷7×50 =
720÷80 + 90 =
210×3 - 9 =

答案：