0.32{#blank#}1{#/blank#}0.2               1{#blank#}2{#/blank#}0.9                       0.5{#blank#}3{#/blank#}0.4

7米6分米{#blank#}4{#/blank#}7.6米      6.1分米{#blank#}5{#/blank#}6分米5厘米

{#blank#}1{#/blank#}<{#blank#}2{#/blank#}<{#blank#}3{#/blank#}<{#blank#}4{#/blank#}<{#blank#}5{#/blank#}

 0.86×1.40.86          1.5÷0.81.5                       0. 6081.4÷2.3

 5.6÷1.25.6÷0.6      0.48÷0.0014.8×100         6.4÷2.16.4×2.1

⑴所有正数都大于负数

⑵底越长的三角形， 面积就一定越大

⑶大于 0.5 小于 0.9 的小数有 3 个

3.58×0.993.58           1×7.057.05

5.28×1.015.28       0.7×00.7+0