0.5÷0.9{#blank#}1{#/blank#}0.5                0.55×0.9{#blank#}2{#/blank#}0.55

36÷0.01{#blank#}3{#/blank#}3.6×100          7.3÷0.3{#blank#}4{#/blank#}73÷3

5.82×0.9{#blank#}1{#/blank#}5.82         24.6×83.5+16.5{#blank#}2{#/blank#}24.6×（83.5+16.5）

0.5÷0.9{#blank#}3{#/blank#}0.5              4.3÷0.01{#blank#}4{#/blank#}4.3×100

0.3×0.2=      2.4×10=       4.2÷0.7=     3.6÷12=      7.5+0.15=

1.2×5=        9.1-0.7=       15×0.6=     0.8-0.35=     0.78÷0.3=