4×0.5=        7×0.03=     0.25×4=       1.25×8=

3.2×0.5=      4.1×2=      0.55×0.2=      8×2.5=

0.21÷0.7=     4.5÷9=      7.2÷0.9=       3.8÷3.8=

6.3÷0.7=      0.64÷8=     6.6÷0.06=      4.8÷1.2=

7×7.2=        0.3×0.3=    2.5÷0.05=      90÷0.3=

0.18{#blank#}1{#/blank#}0.108        2.1{#blank#}2{#/blank#}2.10         3.2×1.02{#blank#}3{#/blank#}3.2×0.98

7.8×0.5{#blank#}4{#/blank#}7.8+0.5    0.9×0.72{#blank#}5{#/blank#}0.9    0.89×27{#blank#}6{#/blank#}2.7

2.5÷0.5＝    0.2×50＝    3.5÷0.01＝    0÷42＝    1.3×3＝

0.25×4＝    12.5×0.8＝    42÷0.6＝    4.5×0.2＝    2.5﹣2.5÷5＝