3.500{#blank#}1{#/blank#}3.5               0.02{#blank#}2{#/blank#}0.2                    4.01{#blank#}3{#/blank#}3.99

6.6×0.9{#blank#}4{#/blank#}6.6           1×0.96{#blank#}5{#/blank#}0.1×1.5

3.8×1.1{#blank#}6{#/blank#}3.8           2.4×1.02{#blank#}7{#/blank#}2.4×0.99

1.29×0.9{#blank#}1{#/blank#}1.29      4.9×1{#blank#}2{#/blank#}4.9          3.5×0.64{#blank#}3{#/blank#}0.35×6.4

5.9×0.99{#blank#}4{#/blank#}5.9       1.03×0.76{#blank#}5{#/blank#}0.76      6.5×0.75{#blank#}6{#/blank#}6.5×7.5