文档介绍:: .
63÷9×7= = 3 ( )÷6=7 8×( )=48
( ) ×7= 21 ( )×8=56 18÷( )= 3 16÷( )=2 ( )
÷9=3 64÷( )=8 ( )×7=35 9×( )=27
35÷( )= 7 ( )÷6=5 ( )÷8= 4 7×( )= 56( )
×9=45 48÷( )= 6 6×( )=42 ( )×4=36
27÷( )=3 ( )×7= 63 8×( )= 72 14÷( )=2
54÷( )=9 ( )÷7= 4 27÷( )= 3 ( )÷8=4 ( )×6=48
( ) - 7=38 40 –( )=12 35+( )=50 39 =27+( )
( )-56=32 83 =33+( ) 29=( )-10
58=( )+6 32=72-( ) 34=( )+8 61=95-( )
51=( )-21 62 + ( )=70 47 -( )=40 24 + ( )=42
( )+ 8=16 50=85-( ) 25=88-( ) 39=( )-15
17=35-( ) 31=70-( ) ( ) - 2=35 24 –( )=12 ( )-56=30
81 + ( )=90 24 +( )=40 24 +( )=30 ( )+21=56
( )-21=69 56-( )=33 ( )+ 6=51
35 =26+( ) 44=( )+6 50=65-( ) 75=87-( ) 18=25-( )
51=75-( ) 16=21-( ) 19=( )+15 ( ) - 2=3 37+
( )= 58 18+( )= 56 45-( )=24
38+( )=73 ( )-20= 48 ( )+56= 72 24÷( )= 6
( )×4= 36 5×( )=54 72+( )= 80 30-( )= 21
9×( )= 63 18÷( )= 6 16÷( )= 4 ( )+29=34( )
÷6=7 ( )×8=72 9+( )= 44 18+( )= 63
( )+23= 44 66+( )=79 8×( )= 32 ( )×6= 48
28-( )=14 41-( )= 35 32-( )= 28 ( )+18=29
45+4×5= 46+8+4= 42÷7×6= 6×5÷6=
4×2×9= (21+6)÷9= (7+23)÷6= (34+14)÷8=
(20+29)÷7= 12÷3×5= 36÷6×9= 12÷4×5=
32+14÷7= 46-24÷4= 90-45÷5= 9÷3×5=
53+36÷6= 73+( )= 92 39-4×6= 50-25÷5=
4×8÷4= 2000-920=