二年级上乘法口算练习题(逆向运算)

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2020年08月02日 09:40
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白茯苓的美容功效-高二生物试题



5×( )= 30 ( )×7=35 ( )×8= 40 ( )×6=30

( )×6= 48 ( )×7= 14 8×( )=64 8×( )=56

( )×6=18 ( )×7= 21 ( )×8=24 ( )×7=28

8×( )=8 ( )×2= 16 8×( )= 32 8×( )=48

4×( )=24 ( )×7= 28 4×( )= 16 4×( )=12

( )×1= 5 ( )×2= 10 ( )×6=42 ( )×7= 49

4×( )= 20 ( )×5=25 4×( )= 12 ( )×4=16

( )×3= 15 5×( )=30 ( )×8= 56 7×( )=56

3×( )= 9 3×( )=12 2×( )= 10 ( )×5= 15

4×( )= 12 ( )×2= 8 3×( )= 3 3×( )= 9



6×( )= 30 ( )×5= 35 2×( )= 16 ( )×9=18

( )×1= 12 ( )×2= 12 ( )×5=40 6×( )=30

( )×6= 12 ( )×7= 14 ( )×8=48 ( )×6=36

( )×1=7 7×( )=14 ( )×1=5 5×( )=10

( )×3= 21 7×( )=28 ( )×3=18 ( )×4=24

( )×6=24 ( )×7=28 6×( )= 36 ( )×2=16

( )×8=24 ( )×5=15 ( )×1=9 ( )×2=14

6×( )= 18 ( )×4=24 ( )×3=15 ( )×4=20

( )×8=32 ( )×7=28 ( )×6=48 ( )×7=56

7×( )=21 ( )×4=2 8( )×6=12 ( )×7=14

( )×6=48 ( )×7=56 ( )×8=64 ( )×4=32



7×( )= 7 7×( )=14 5×( )=40 5×( )=45

6×( )=48 6×( )=42 ( )×3=21 ( )×4=28

( )×5=30 ( )×5=35 ( )×6=36 ( )×7=42

5×( )=30 5

7×( )=42 7

7×( )=56 7

9×( )=72 ( )

7×( )=21 ( )

3×( )=18 3

8×( )=40 ( )

( )×3=18 ( )

×( )=35 ( )
×( )=49 ( )
×( )=63 2
×9=81 9
×4=28 4
×( )=21 6
×5=45 3
×4=24 ( )
×1=9 9
×3=27 ( )
×( )=10 3
×( )=54 ( )
×( )=20 5
×( )= 6 6
×( )=24 ( )
×6=42 7
×( )=18
×4=36
×( )=15
×7=63
×( )=25
×( )=12
×9=27
×( )=49



5×( )= 30 ( )×7=35 ( )×8= 40 ( )×6=30

( )×6= 48 ( )×7= 14 8×( )=64 8×( )=56

( )×6=18 ( )×7= 21 ( )×8=24 ( )×7=28

8×( )=8 ( )×2= 16 8×( )= 32 8×( )=48

4×( )=24 ( )×7= 28 4×( )= 16 4×( )=12

( )×1= 5 ( )×2= 10 ( )×6=42 ( )×7= 49

4×( )= 20 ( )×5=25 4×( )= 12 ( )×4=16

( )×3= 15 5×( )=30 ( )×8= 56 7×( )=56

3×( )= 9 3×( )=12 2×( )= 10 ( )×5= 15

4×( )= 12 ( )×2= 8 3×( )= 3 3×( )= 9



6×( )= 30 ( )×5= 35 2×( )= 16 ( )×9=18

( )×1= 12 ( )×2= 12 ( )×5=40 6×( )=30

( )×6= 12 ( )×7= 14 ( )×8=48 ( )×6=36

( )×1=7 7×( )=14 ( )×1=5 5×( )=10

( )×3= 21 7×( )=28 ( )×3=18 ( )×4=24

( )×6=24 ( )×7=28 6×( )= 36 ( )×2=16

( )×8=24 ( )×5=15 ( )×1=9 ( )×2=14

6×( )= 18 ( )×4=24 ( )×3=15 ( )×4=20

( )×8=32 ( )×7=28 ( )×6=48 ( )×7=56

7×( )=21 ( )×4=2 8( )×6=12 ( )×7=14

( )×6=48 ( )×7=56 ( )×8=64 ( )×4=32



7×( )= 7 7×( )=14 5×( )=40 5×( )=45

6×( )=48 6×( )=42 ( )×3=21 ( )×4=28

( )×5=30 ( )×5=35 ( )×6=36 ( )×7=42

5×( )=30 5

7×( )=42 7

7×( )=56 7

9×( )=72 ( )

7×( )=21 ( )

3×( )=18 3

8×( )=40 ( )

( )×3=18 ( )

×( )=35 ( )
×( )=49 ( )
×( )=63 2
×9=81 9
×4=28 4
×( )=21 6
×5=45 3
×4=24 ( )
×1=9 9
×3=27 ( )
×( )=10 3
×( )=54 ( )
×( )=20 5
×( )= 6 6
×( )=24 ( )
×6=42 7
×( )=18
×4=36
×( )=15
×7=63
×( )=25
×( )=12
×9=27
×( )=49

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