A:
B:
C:
D:
将11到20这十个连续自然数分别填入图中圆圈内,使每个正方形四个顶点的数之和均为60,则A=____ ,B=____ .(A<B)
98.6÷0.02+8=____
根据实验电路图,请在答题纸上用划线当导线完成实物图乙的连接。____
My teacher is tall. She is not ____.