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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)