题干
计算我最棒。
5+7=____ | 5–4=____ | 18–8=____ | 8＋5＋ 2=____ |
15–10=____ | 6–3=____ | 7+7=____ | 3 + 7 + 9=____ |
11+7 =____ | 2+8=____ | 19–10=____ | 8 – 3 + 9=____ |
8+8=____ | 10–8=____ | 5+10=____ | 12 –2 + 4=____ |
10 + 8=____ | 11 –10=____ | 10 –7=____ | 9 + 10 –5=____ |
答案(点此获取答案解析）
12,1,10,15,5,3,14,19,18,10,9,14,16,2,15,14,18,1,3,14
