《2025年口算训练四年级数学下册人教版升级版》

( ) + 0.33 = 1
0.81 + ( ) = 1.29
( ) - 0.49 = 0.6
2 - ( ) = 0.13
( ) + 1.07 = 2
4.65 + ( ) = 10
( ) - 0.77 = 0.4
8 - ( ) = 0.72
7.35 - ( ) = 7
( ) - 5.44 = 4.66
1 - ( ) = 0.11
( ) + 0.5 = 10.15
10 + ( ) = 12.59
0.12 + ( ) = 1
1 - ( ) = 0.45
( ) + 2.08 = 3.04
( ) - 0.28 = 0.28
( ) + 10.33 = 100
( ) - 4.4 = 0.6
8.72 - ( ) = 8.12
( ) + ( ) = 9.88

答案：

35×40 =
17×60 =
28×30 =
420×3 =
780÷13 =
4800÷120 =
9200÷46 =
25×200 =
170×20 =
210×3 =
2.54 + 2.04 =
8.92 - 0.91 =
8.99 - 0.09 =
2.79 - 2.09 =
31.56 - 21.56 =
29.7 - 29.69 =
4.75 + 0.25 =
78.87 - 0.87 =
2.92 + 3.69 =
80.11 + 3.11 =
98.7 - 89.7 =

答案：

3.48 ＜ 3.4□
□.48 ＜ 3.48
8.9 ＜ □.9
8.58 ＜ 8.□4
9.□□ ＜ 9.□1
0.2□ ＞ 0.28
3.□3 ＞ 3.53
6.84 ＜ □.89
5.56 ＞ 5.□5
□.985 ＜ 4.001
0.001 ＜ 0.0□1
4.□5 ＜ 4.66
8.□7 ＜ 8.66
4.08 ＞ 4.□□□
4.□□ ＞ 4.07
5.95 ＞ □.□ ＞ 5.59
4.38 ＜ 4.□□□
7.4 ＞ □.96
4 ＜ □.□
5.7 ＜ □.□9
□.□□ ＜ 9.01

答案：