1×1+1=       2×2+2=        3×4+10=        4×4+5=     

3×4+8=       5×1+9=        4×2+6=         5×3+9=    

5×4+7=       3×6+6=        2×9+9=         5×4+7=    

1×1+2=       1×1+3=        2×3+2=         2×4+2=   

2×7+2=       3×5+3=        3×6+4=         6×3+3=

38＋4=        2×3=           3×6=           24＋26= 

90－18=       72－18=         45－20=          6×6=    

4×5=         40＋26=         23＋56=          78＋22=  

2×3=         100－80=        97－9=           6×4=    

6＋22=         5×3=          12＋67=          15＋34=

6×2=          31－2=         73－8=           3×6=     

0＋69=         4×4=          5×3=            75－25=    

5×4=          70－50=        4×3=            6×4=      

45＋5=         87－25=        5×6=            3×3=   

21－18=        4×3=          60－13=          6×3＋8=

42－19=        37＋5=         4×6＋9=         37－8=

5×2=          18＋56=        5×5-17=        8－29=   

6×4+3=       6×5+3=        6×2+8=         4×5+5=     

4×6+5=       4×2+9=        4×5+8=         5×3+6=   

5×5+6=       5×4+7=        5×9+6=         1×9+2=   

1×8+3=       1×7+6=        3×9+3=         3×4+10=    

3×6+4=       6×8+2=        2×7+8=         2×6+9=

4×6+9=       5×4+4=        9×3+3=         9×6+9=

5×8+2=       8×7+4=        8×6+5=         5×6+8=下载本文