登录
24 + 33 =
42 + 18 =
39 + 6 =
64 - 8 =
57 - 24 =
60 - 42 =
45 - 6 =
8 + 56 =
57 - 33 =
60 - 18 =
45 - 39 =
64 - 56 =
42 + 18 =
39 + 6 =
64 - 8 =
57 - 24 =
60 - 42 =
45 - 6 =
8 + 56 =
57 - 33 =
60 - 18 =
45 - 39 =
64 - 56 =
答案
57 60 45 56 33 18 39 64 24 42 6 8
列竖式计算。
59 - 28 =
64 - 19 =
38 + 26 =
28 + 39 =
54 + 23 =
14 + 27 =
83 - 45 =
41 - 27 =
59 - 28 =
64 - 19 =
38 + 26 =
28 + 39 =
54 + 23 =
14 + 27 =
83 - 45 =
41 - 27 =
答案
31 45 64 67 77 41 38 14(竖式略)
1. 比大小。
12 + 28 $◯$ 30
59 + 15 $◯$ 75
28 + 23 $◯$ 62 - 13
73 - 25 $◯$ 48
64 - 27 $◯$ 47
86 - 40 $◯$ 34 + 19 - 7
12 + 28 $◯$ 30
59 + 15 $◯$ 75
28 + 23 $◯$ 62 - 13
73 - 25 $◯$ 48
64 - 27 $◯$ 47
86 - 40 $◯$ 34 + 19 - 7
答案
1. ＞ ＜ ＞ = ＜ =
2. 填一填。
69 - $□$ = 49
35 + $□$ = 57
70 - $□$ = 65 - 43
$□$ - 13 = 57
31 - $□$ = 19
52 - $□$ = 18 + 18
$□$ + 26 = 74
$□$ + 46 = 83
32 - 15 + $□$ = 47
69 - $□$ = 49
35 + $□$ = 57
70 - $□$ = 65 - 43
$□$ - 13 = 57
31 - $□$ = 19
52 - $□$ = 18 + 18
$□$ + 26 = 74
$□$ + 46 = 83
32 - 15 + $□$ = 47
答案
2. 20 22 48 70 12 16 48 37 30
