照样子写式子. 3930+9=3920+19=3989-50=3938+1=39 67 =67 =67 =67 =67 43 = 43 = 43 = 43 = 43 52 =52 =52 =52 =5
编辑:chaxungu时间:2026-04-27 12:23:50分类:小学数学题库
照样子写式子。
39 30+9=39 20+19=39 89-50=39 38+1=39 | 67 =67 =67 =67 =67 | 43 = 43 = 43 = 43 = 43 | 52 =52 =52 =52 =52 |
|
30+37;60+7;97-30;66+1;
40+3;20+23;63-20;42+1;
50+2;32+20;82-30;51+1;
(答案不唯一)