9.27÷0.15＞9.27×0.15

a，a＞0；当a{#blank#}1{#/blank#}1时，积大于 ，当a{#blank#}2{#/blank#}1时，积小于 ，当a{#blank#}3{#/blank#}1时，积等于 。

13.6+0.9{#blank#}1{#/blank#}14.6                3.53{#blank#}2{#/blank#}3.50    

8.5-1.3 {#blank#}3{#/blank#}7.5                  28.8{#blank#}4{#/blank#} 28.800 

9-0.5{#blank#}5{#/blank#}0.9-0.5                 9.8-6.8{#blank#}6{#/blank#}6.8-4.8

56÷8=7                         45÷3=15                      216÷6=36

5.6÷8={#blank#}1{#/blank#}            4.5÷3={#blank#}2{#/blank#}           21.6÷6={#blank#}3{#/blank#}

0.56÷8={#blank#}4{#/blank#}          0.45÷3={#blank#}5{#/blank#}         2.16÷6={#blank#}6{#/blank#}