平均分、除法（2023-10-08）

平均分、除法（2023-10-08）：( )×7=28 4×( )=24 5×( )=25 ( )×5=5 2×( )=10 3×( )=21 7×( )=42 ( )×9=45 1×( )=3 6×( )=6 2×( )=8 ( )×2=16 2×( )=18 7×( )=49 ( )×5=40 ( )×1=5 7×( )=49 1×( )=4 9×( )=54 ( )×5=35 ( )×2=16 ( )×1=5 ( )×7=28 ( )×6=18 3×( )=3 6×( )=36 ( )×8=16 ( )×1=9 7×( )=56 ( )×1=9 ( )×3=18 ...