乘法口诀练习 6×( )=18 ( )×8=56 20150124
2×5= 2×( )=12 8×3= 6×3 = ( )×3 =24 2×3= ( )×3=18
8×( )=48 6×( )=36 ( )×5=40 ( )×6=36 4×( )=20 3×( )=21 6×( )=42 8×( )=56 5×( )=30
8×3= 4×( )=32 8×( )=56 6×( )=42 7×( )=35 5×( )=15 7×( )=63 ( )×9=27 8×5=
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