首页4年级下册运算定律

4年级 下册 - 运算定律

练习题数量: 100

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9 + 8 =
34 × 10 + 34 × 43 =
22 × 4 =
10 × 37 + 10 × 2 =
38 × 39 =
44 × 50 + 44 × 30 =
23 × (10 + 49) =
7 × (17 × 19) =
28 × (3 + 32) =
19 × (29 × 29) =
4 × 48 =
33 × 24 + 33 × 44 =
7 × 8 + 7 × 13 =
13 + 41 =
21 × (14 × 3) =
13 × 36 =
15 × 15 + 15 × 45 =
17 + 47 =
18 + 50 =
31 × (50 × 30) =
16 × 5 =
(41 + 6) + 20 =
33 × 37 =
9 × 46 =
(48 + 42) + 42 =
(1 × 48) × 50 =
12 + 28 =
9 + 26 =
2 × 22 =
(19 + 3) + 24 =
23 × (43 × 19) =
11 × (8 + 3) =
38 + 44 =
5 × (46 + 46) =
42 + 13 =
6 + (2 + 50) =
33 + 27 =
12 × (37 + 40) =
39 × (12 × 18) =
2 + 8 =
19 + (37 + 8) =
7 + 37 =
37 + 13 =
20 × (9 + 50) =
8 + (47 + 22) =
31 × (23 + 25) =
23 × 23 + 23 × 28 =
45 + 34 =
8 + 34 =
43 × 1 =
(41 + 29) + 40 =
14 × 37 + 14 × 7 =
(11 × 19) × 42 =
(36 + 41) + 15 =
(20 + 13) + 18 =
49 × 6 =
28 + 3 =
29 × (42 × 30) =
21 × 29 + 21 × 17 =
36 × 3 + 36 × 39 =
41 × (4 + 42) =
42 × 37 + 42 × 2 =
(37 + 47) + 35 =
14 + 10 =
48 × 13 =
37 × (33 + 49) =
6 + (48 + 17) =
(5 + 36) + 29 =
45 × 6 + 45 × 40 =
34 × 1 =
39 × (44 + 29) =
45 + 49 =
44 + 28 =
(2 + 14) + 45 =
23 × (50 + 7) =
39 + 49 =
16 × 16 + 16 × 43 =
8 + 21 =
36 × 9 =
4 + 39 =
44 × (19 + 28) =
6 + 16 =
29 + (47 + 49) =
(33 × 2) × 38 =
37 + 43 =
41 × 36 =
42 + 23 =
27 + 3 =
(44 × 16) × 19 =
35 × 46 =
11 + 7 =
19 × (33 × 20) =
19 + 3 =
6 + (29 + 11) =
39 + (42 + 1) =
39 × (11 × 18) =
33 + 18 =
8 × 22 =
30 × 41 =
35 × 2 + 35 × 28 =