二年级数学口算B.doc
文本预览下载声明
口算练习(一) 班级 姓名
36+8 = 35+40 = 31+13 =
40-36 = 22+20 = 60-51 =
9+43 = 52-30 = 66+23 =
48+7 = 56+5 = 9+54 =
72+9 = 81―8 = 39―15 =
53+7 = 89-9 = 46+14 =
74-30 = 22+8 = 71+7 =
95-40 = 57+7 = 26+62 =
51―5 = 56―40 = 93―33 =
37+3 = 43+30 = 98-89 =
64―9 = 75―5 = 24―10 =
50+40 = 65+7 = 21+8 =
38+20 = 63+6 = 64-7 =
85-50 = 48+2 = 93-8 =
31―8 = 13―5 = 100―50 =
1+99 = 5+16 = 75+5 =
81-6 = 7+28 = 13+30 =
76―40 = 63―3 = 59―50 =
57+7 = 30+66 = 37+2 =
65-8 = 6+33 = 99-90 =
口算练习(二) 班级 姓名
15+32 = 36-13 = 82+16 =
28+41 = 90―9 = 37―14 =
42+24 = 54―21 = 65―43 =
26+43 = 93-62 = 42+31 =
54+15 = 47-36 = 15+24 =
31+18 = 58-45 = 71+25 =
67+32 = 74―32 = 94―63 =
33+44 = 56―21 = 45―34 =
60+18 = 65-32 = 32+16 =
11+35 = 57-24 = 61+16 =
43+43 = 35―12 = 82―71 =
45+14 = 96―73 = 76―13 =
71+17 = 88―72 = 91―81 =
36+22 = 79-54 = 55+24 =
48+31 = 46―25 = 21―18 =
52+36 = 42-31 = 62+27 =
35+24 = 64-34 = 75+33 =
41+31 = 89―58 = 96―65 =
52+23 = 73-41 = 46+13 =
67+12 = 65―44 = 83―72
显示全部