8×6=       60-6=         43+7=         5×9+9=

8+34=      7×4=          52-5=         9×8-8=

7×5=       2×8=          6×3=          7×7+6=

8×58+5        82-3557

5×7+540       3米+4厘米7米

5×9=        4×8=        23+7=        9×9-9=

7×2=        6+6=        64-20=        6×7+10=

1×8=        2×3=        9×7=          4×3-5=