a是9的算术平方根,而b的算术平方根是9,则a+b=______.
∵a是9的算术平方根,
∴a=3,
又∵b的算术平方根是9,
∴b=81,
∴a+b=3+81=84.
故答案为:84.
While designing a place of recreation, an architect is to consider easy entrances or exits, parking
lot and toilets, etc, his design should take into account the comfort of all citizens.[ ]
A. in other words
B. in need
C. in place
D. in all
男。28岁,右侧下颌第三磨牙低位阻生,行拔除术,需要麻醉的神经()。
A.下牙槽神经颏神经颊神经
B.颊神经颏神经舌神经
C.颊神经舌神经下牙槽神经
D.颊神经颏神经舌下神经
E.舌神经下牙槽神经颞深神经