【题目】看谁算得又对又快:
14+4=________13+5=________19–8=________15+4=________
17–6=________12+7=________16–3=________ 19–3=________
18–2–4=________10+5+2=________ 7+3+8=________
5+5+6= ________ 8+2+4= ________ 10+8–2=________
【答案】18 18 11 19 11 19 13 16 12 17 18 16 14 16
【解析】
略



