1623×27+16×1923
=2723×16+16×1923,
=(2723+1923)×16,
=2×16,
=32.
Can you _____ "window" in English?[ ]
A. talk
B. tell
C. spell
D. speak
幼年特发性关节炎急性期的关节护理,错误的是()
A.注意姿势,减轻疼痛
B.预防压疮
C.保持关节功能位
D.保持关节屈曲姿势
E.使用支架,避免关节畸形