{#blank#}1{#/blank#}×{#blank#}2{#/blank#}＝ 12.1  

{#blank#}3{#/blank#}×{#blank#}4{#/blank#}＝ 1.21  

{#blank#}5{#/blank#}×{#blank#}6{#/blank#}＝ 0.121  

58.9×3.27＝0.589×{#blank#}1{#/blank#}

0.18×4.16＝18×{#blank#}2{#/blank#}

0.3×17=    7.5×0.8=   

3×1.2=     0.38×0.2=   

6.5×6=     4×0.12=    

13.4－8=        6.6＋4=           23＋4.7=         10－2.3=

7.5×4=          2.3×4×0=         100÷40=         3.5÷5=

0.6－0.23=       0.34＋0.45=       0.06×0.7=        0.05×1.6=