在横线里填上“<”“=”或者“>”
0.33________0. | 2×3________0.3×12 | 8.03________8.30 |
0.42________0.402 | 23×23________23×24 | 345________345×0.2. |
用适当的方法计算.
3.5×+5.5×80%+0.8 | 8÷[7.8+×(2.75+1.25)] | . |
在下面的横线上填上“>”“<”或“=”.
×________ | ÷________÷ | ÷________1(a和b互为倒数) |
0.33________0. | 2×3________0.3×12 | 8.03________8.30 |
0.42________0.402 | 23×23________23×24 | 345________345×0.2. |
3.5×+5.5×80%+0.8 | 8÷[7.8+×(2.75+1.25)] | . |
×________ | ÷________÷ | ÷________1(a和b互为倒数) |