一六得{#blank#}1{#/blank#}

二六{#blank#}2{#/blank#}

三六{#blank#}3{#/blank#}

1＋2＋3＝2×3＝6

1＋2＋3＋4＋5＝3×5＝15

4×3=      66－45=      70－5=      23－（46－38）=

36+7=      25+65=      23+37=      21+19+34=

5×6=      90－45=      2×2=      6×6-28=

42-8=      6×4=      4×4=      40+（89-54）=

25+21=      5×3=      6×3=      70+2×6=

{#blank#}1{#/blank#}×{#blank#}2{#/blank#}=6        {#blank#}3{#/blank#}×{#blank#}4{#/blank#}=6

{#blank#}5{#/blank#}×{#blank#}6{#/blank#}=6        {#blank#}7{#/blank#}×{#blank#}8{#/blank#}=6

20＞{#blank#}1{#/blank#}×6

{#blank#}2{#/blank#}×4＜11

28＞5×{#blank#}3{#/blank#}。