五月份某周天气温度分别是18°、19°、20°、19°、21°、23°和20°,这一周每日平均气温是多少度?
估一估,算一算19×23≈78×50≈89×12≈81×20≈23×18≈24×99≈28×29≈65×1..[99%]
估一估,算一算 19×23≈78×50≈89×12≈81×20≈23×18≈24×99≈28×29≈65×19≈
对某班学生按年龄分成3组:16~18岁,19~20岁,21~23岁,则23岁是()。[98%]
对某班学生按年龄分成3组:16~18岁,19~20岁,21~23岁,则23岁是()。
估算19×23≈78×52≈89×12≈81×20≈[97%]
估算 19×23≈78×52≈89×12≈81×20≈
[19~23]20.属于耐酸的口服青酶素是[97%]
[19~23]20.属于耐酸的口服青酶素是 A 阿莫西林 B 青雾素V C 甲氧西林 D 哌拉西林 E 天然青霉素
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18[97%]
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18[97%]
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18[97%]
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18[97%]
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18[97%]
31, 29, 23, (),17, 13, 11A.21B.20C.19D.18