查人人中国名人网赵丽颖林更新吧:+-/*=用英文表示
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/02 01:31:46
12+15=27
30-9=21
3*19=57
81/9=9
9*6=54
30-9=21
3*19=57
81/9=9
9*6=54
12 plus 15 is 27
30 minus 9 is 21
9 subtracted from 30 is 21.
3 times 19 is 57
19/3 multiplied by 3/19 is 57
81 divided by 9 is 9
9 divided into 81 is 9
9 times 6 is 54