如何计算平均值在excel简介：Um? Xiao Xiaobai's bald and burly classmate at the same table glared at the tall and thin classmate in the row in front of him, and the tall and thin classmate with a stagnant smile turned around in a hurry.
Um? Xiao Xiaobai's bald and burly classmate at the same table glared at the tall and thin classmate in the row in front of him, and the tall and thin classmate with a stagnant smile turned around in a hurry.
