0.99×0.99{#blank#}1{#/blank#}0.99          6.62÷0.24{#blank#}2{#/blank#}6.62

8×0.33{#blank#}3{#/blank#}3.3×0.8          6.3÷3.6{#blank#}4{#/blank#}1

2.65×0.9{#blank#}1{#/blank#}2.65             5.22×100{#blank#}2{#/blank#}5.22÷0.01

4.68÷0.4{#blank#}3{#/blank#}468÷40       360÷1.3{#blank#}4{#/blank#}360

8.1÷0.1{#blank#}5{#/blank#}8.1                 7.5÷0.25{#blank#}6{#/blank#}7.5

①800÷25=(4×200)÷25=200÷(4×25)=2

②800÷25=(800×4)÷(25×4)=3200÷100=32

③800÷25=(100×8)÷25=(8×25)÷100=2