505÷0.5={#blank#}1{#/blank#}

8.1+0.9=    0.2×0.4=    9.1÷0.7=    1.2×0.99×8=

3.57-0.7=    4.5÷0.45=    3.8×0.1=    3.8×8.2+3.8×1.8=

10-8.7=      5.6÷1.4=         2.9÷2.9×9.2=        2.07÷0.01=

0.1²=          0.63÷7=          2.81-1.7-0.3=        2×1.3×0.5=

1.4÷0.0114÷0.1                 63÷2.863                   73.2÷473.2÷4.2

6.2525…6.25                      0.162÷0.90.162          8.4÷0.568.4×0.56

4.25×1.1{#blank#}1{#/blank#}4.25          1.05×0.26{#blank#}2{#/blank#}1.05            8.5÷0.6{#blank#}3{#/blank#} 8.5