2.8{#blank#}1{#/blank#}2.6     7.9{#blank#}2{#/blank#}7.8

0.3 {#blank#}1{#/blank#} 0.03      0.16{#blank#}2{#/blank#}0.6                  10.8{#blank#}3{#/blank#}0.6

1.1 7元{#blank#}4{#/blank#}2元    100平方分米{#blank#}5{#/blank#}1平方米     3年{#blank#}6{#/blank#}30个月

12+8{#blank#}1{#/blank#}3×7           190×5{#blank#}2{#/blank#}950          1元{#blank#}3{#/blank#}10.8元

2元4角{#blank#}3{#/blank#}3元    2.24元{#blank#}4{#/blank#}2.42元    0.6米{#blank#}5{#/blank#}60厘米

4米6分米{#blank#}6{#/blank#}46分米