6×4={#blank#}1{#/blank#}           2×9={#blank#}2{#/blank#}

四六{#blank#}3{#/blank#}            二九{#blank#}4{#/blank#}

4个2相加                                            2×4=8

6+6+6                       4×2                  5乘4

4 + 4+4 +4 +4           6×3                 乘数是6和3

3+3+3+3+3+3           5×4                 2+2+2+2

5 +5 + 5 +5                                        3×6

2乘4                                                    4×5

二三{#blank#}1{#/blank#}       {#blank#}2{#/blank#}六十八       五五{#blank#}3{#/blank#}      三{#blank#}4{#/blank#}十二