北师大版二年级上册数学口算比赛题.doc

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二年级数学口算比赛①

7+21=83-22 = 37-()=6

32-24=11+15=()+12=44

90-37=40+25=27+()=45 75-8=35+13=()-6=47

9 + 31 = 52-5 = 5×()=25 47-16 = 37 + 28 = ()×()=18 61-57 = 51 + 47 = ()×

()=24 26-19 = 33 + 56 = ()×()=40 37-8 = 79 + 13 = ()×()=12

41-32 = 26 + 48 = 26+18-19= 94-75 = 39 + 26= 100-60-21= 2 ×3 = 4 ×2 = 53+18+24= 8 ×4 =

8 ×2 = 69-18+26= 6 ×3 = 3 ×3 = 87+13-43=

2 ×9 = 8 ×5 = 68-()=29

7 ×3 = 4 ×6 = 37+()=76

9 ×5 = 8 ×3= ()-26=33

3 ×5 =

4 ×9 = 7×()=3

5 7 ×2 = 7×

4 = 4×()=36 1 ×8 = 4 ×3 = 9×()=27 4 ×

5 = 5 ×

6 = 3×()=21

二年级数学口算比赛①

7+21=83-22 = 37-()=6

32-24=11+15=()+12=44

90-37=40+25=27+()=45 75-8=35+13=()-6=47

9 + 31 = 52-5 = 5×()=25 47-16 = 37 + 28 = ()×()=18 61-57 = 51 + 47 = ()×

()=24 26-19 = 33 + 56 = ()×()=40 37-8 = 79 + 13 = ()×()=12

41-32 = 26 + 48 = 26+18-19= 94-75 = 39 + 26= 100-60-21= 2 ×3 = 4 ×2 = 53+18+24= 8 ×4 =

8 ×2 = 69-18+26= 6 ×3 = 3 ×3 = 87+13-43=

2 ×9 = 8 ×5 = 68-()=29

7 ×3 = 4 ×6 = 37+()=76

9 ×5 = 8 ×3= ()-26=33

3 ×5 =

4 ×9 = 7×()=3

5 7 ×2 = 7×

4 = 4×()=36 1 ×8 = 4 ×3 = 9×()=27 4 ×

5 = 5 ×

6 = 3×()=21

41-32 = 26 + 48 = 26+18-19= 94-75 = 39 + 26= 100-60-21= 2 ×3 = 4 ×2 = 53+18+24= 8 ×4 =

8 ×2 = 69-18+26= 6 ×3 = 3 ×3 = 87+13-43=

2 ×9 = 8 ×5 = 68-()=29

7 ×3 = 4 ×6 = 37+()=76

3 ×5 =

4 ×9 = 7×()=3

5 7 ×2 = 7×

4 = 4×()=36 1 ×8 = 4 ×3 = 9×()=27 4 ×

5 = 5 ×

6 = 3×()=21

二年级数学口算比赛①

7+21=83-22 = 37-()=6

32-24=11+15=()+12=44

90-37=40+25=27+()=45 75-8=35+13=()-6=47

9 + 31 = 52-5 = 5×()=25 47-16 = 37 + 28 = ()×()=18 61-57 = 51 + 47 = ()×

()=24 26-19 = 33 + 56 = ()×()=40 37-8 = 79 + 13 = ()×()=12

41-32 = 26 + 48 = 26+18-19= 94-75 = 39 + 26= 100-60-21= 2 ×3 = 4 ×2 = 53+18+24= 8 ×4 =

8 ×2 = 69-18+26= 6 ×3 = 3 ×3 = 87+13-43=

2 ×9 = 8 ×5 = 68-()=29

7 ×3 = 4 ×6 = 37+()=76

9 ×5 = 8 ×3= ()-26=33

3 ×5 =

4 ×9 = 7×()=3

5 7 ×2 = 7×

4 = 4×()=36 1 ×8 = 4 ×3 = 9×()=

二年级数学口算比赛①

7+21=83-22 = 37-()=6

32-24=11+15=()+12=44

90-37=40+25=27+()=45 75-8=35+13=()-6=47

9 + 31 = 52-5 = 5×()=25 47-16 = 37 + 28 = ()×()=18 61-57 = 51 + 47 = ()×

()=24 26-19 = 33 + 56 = ()×()=40 37-8 = 79 + 13 = ()×()=12