题型:口算与估算 题类: 难易度:容易
0.45×0.2= | 4.38+3.5= | 86-4.25= | (3.85+5.45)×0= |
0.75×1.00= | 2.5×4= | 5.4×20= | 7.85×0.004= |
0.28×0.16={#blank#}1{#/blank#} | 0.06×0.75={#blank#}2{#/blank#} |
月份 | 用水量(立方米) | 水费(元) |
10 | 8 | 16.8 |
11 | 12 | 28.2 |
2.1×0.4= | 5.4÷8= | 0.18×0.3= | 21.3×0÷7.1= |
4.9÷0.7= | 6.3-3.7= | 3.5×2= | 2.5×12= |
试题篮