6={#blank#}2{#/blank#}×3

6{#blank#}1{#/blank#}3{#blank#}2{#/blank#}9=9      8{#blank#}3{#/blank#}4{#blank#}4{#/blank#}2=1

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

5×7{#blank#}1{#/blank#}4×9       54－20{#blank#}2{#/blank#}4×5      4×6{#blank#}3{#/blank#}3×8

8＋17{#blank#}4{#/blank#}6×4      7＋7{#blank#}5{#/blank#}2×7       1米{#blank#}6{#/blank#}40厘米＋70厘米