2025年口算训练二年级数学上册北师大版双色升级版


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《2025年口算训练二年级数学上册北师大版双色升级版》

第63片
29 + 47 =
76
26 + 57 =
83
18 + 67 =
85

65 - 28 =
37
81 - 46 =
35
73 - 39 =
34

38 + 59 =
97
48 + 39 =
87
49 + 28 =
77

92 - 47 =
45
72 - 38 =
34
95 - 58 =
37

17 + 56 =
73
59 + 27 =
86
37 + 42 =
79

84 - 39 =
45
94 - 57 =
37
62 - 28 =
34

47 + 28 =
75
35 + 49 =
84
59 + 22 =
81

71 - 45 =
26
67 - 29 =
38
84 - 47 =
37

39 + 48 =
87
58 + 36 =
94
46 + 38 =
84

93 - 52 =
41
100 - 44 =
56
91 - 52 =
39

27 + 58 =
85
36 + 49 =
85
19 + 58 =
77

64 - 29 =
35
93 - 58 =
35
74 - 39 =
35

39 + 47 =
86
47 + 28 =
75
57 + 28 =
85

83 - 49 =
34
72 - 39 =
33
82 - 47 =
35

56 + 28 =
84
58 + 27 =
85
38 + 49 =
87
答案: 29 + 47 = 76
26 + 57 = 83
18 + 67 = 85
65 - 28 = 37
81 - 46 = 35
73 - 39 = 34
38 + 59 = 97
48 + 39 = 87
49 + 28 = 77
92 - 47 = 45
72 - 38 = 34
95 - 58 = 37
17 + 56 = 73
59 + 27 = 86
37 + 42 = 79
84 - 39 = 45
94 - 57 = 37
62 - 28 = 34
47 + 28 = 75
35 + 49 = 84
59 + 22 = 81
71 - 45 = 26
67 - 29 = 38
84 - 47 = 37
39 + 48 = 87
58 + 36 = 94
46 + 38 = 84
93 - 52 = 41
100 - 44 = 56
91 - 52 = 39
27 + 58 = 85
36 + 49 = 85
19 + 58 = 77
64 - 29 = 35
93 - 58 = 35
74 - 39 = 35
39 + 47 = 86
47 + 28 = 75
57 + 28 = 85
83 - 49 = 34
72 - 39 = 33
82 - 47 = 35
56 + 28 = 84
58 + 27 = 85
38 + 49 = 87
4 × 5 = $□$
答案: 20
△ + △ + △ = 18
⊙ + ⊙ = 10
△ × ⊙ =
30
答案: 因为3个△相加等于18,所以△=18÷3=6;
因为2个⊙相加等于10,所以⊙=10÷2=5;
△×⊙=6×5=30。
□=30

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