0.8{#blank#}1{#/blank#}0.7      0.12{#blank#}2{#/blank#}0.21      0.45{#blank#}3{#/blank#}0.35

2.4{#blank#}4{#/blank#}0.08     0.08{#blank#}5{#/blank#}0.18      2.05{#blank#}6{#/blank#}0.52

3.76÷1.02{#blank#}1{#/blank#}3.76         0.64{#blank#}2{#/blank#}1.7×0.64 

2.48÷0.1{#blank#}3{#/blank#}2.48×10      {#blank#}4{#/blank#}

  6.7{#blank#}1{#/blank#}6.69             8.4{#blank#}2{#/blank#}8.44···

  6.78{#blank#}3{#/blank#}6.780           3.0606···{#blank#}4{#/blank#}3.06