2.7×1.3={#blank#}1{#/blank#}×0.13={#blank#}2{#/blank#}×0.013=0.27×{#blank#}3{#/blank#}=0.027×{#blank#}4{#/blank#}={#blank#}5{#/blank#}×{#blank#}6{#/blank#}={#blank#}7{#/blank#}×{#blank#}8{#/blank#}={#blank#}9{#/blank#}

3.28×0.9{#blank#}1{#/blank#}3.28      3.28×1.005{#blank#}2{#/blank#}3.28        32.8×0.1{#blank#}3{#/blank#}3.28

4.5{#blank#}4{#/blank#}45×0.1          4.5×0.5{#blank#}5{#/blank#}4.5             4.5×1.3{#blank#}6{#/blank#}4.5