新人教版小学数学二年级三单元练习题
一、口算(8分)
65 - 24 = 66 - 16 = 77 - 34 = 93 - 61 =
85 - 25 = 5 5- 14 = 67 - 56 = 56 - 9 =
42 + 9= 43 + 3 = 48 + 4 = 25 + 3 =
35 + 4= 23 + 9 = 3×5 = 9 + 26 =
25 + 5 = 24 + 7 = 24 + 6 = 38 + 7 =
2×1= 53 - 20 = 45 - 20 = 43 - 21 =
59 - 44 = 3×3 = 36 - 14 = 87 - 77 =
36 + 43 = 25 + 55 = 24 + 16 = 5×2=
34 + 82= 49 + 5 = 2×2 = 2×2 =
46 - 8 = 34 - 5 = 83 - 6 = 45 - 23 =
45 - 12 = 63 - 12 = 53 - 40 = 89 - 85 =
98 - 50 = 78 - 23 = 56 - 24 = 69 - 5 8 =
45 + 25 = 12 + 46 = 47 + 13 = 25 + 14 =
18 + 20 = 3 6 + 21 = 4×5 = 27 + 12 =
24 + 25 = 35 + 12 = 4 0 + 58 = 26 + 13 =
1×5 = 72 - 22 = 45 - 13 = 36 - 27 =
14 - 13 = 58 - 47 = 2×3= 15 - 9 =
60 + 32 = 31 + 12 = 34 + 25 = 17 + 12 =
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新人教版小学数学二年级三单元练习题 |