计算:-5×(-2)3+(-39)=___
1
分析:混合运算要先乘方、再乘除,最后加减.
解答:解:-5×(-2)3+(-39)
=-5×(-8)+(-39)
=1.
At the age of fourteen , Betty went to a _____ girls’ school along with her sister .
A.Near
B.nearby
C.close
D.neighbor
简述方案设计阶段所运用的基本方法。