1.2÷3=____
0.48÷6=____
4.6÷23=____
14×0.5=____
6.8÷4=____
0.72÷12=____
0.7×1.1=____
5.2÷13=____
Paul is much taller than any other boy in his class. So Paul is _______ boy in his class.
—_____________. The news report is on.
已知复数z，“z+z-=0”是“z为纯虚数”的（ ）
