This parent once tested her child's mathematical calculation ability, and found that she couldn't do it at all. When the parent asked the teacher about it, the teacher replied that the mother was clearly giving the child problems that were beyond her level, but the mom refuses to accept this.
她曾測試孩子的數學計算能力，發現孩子顯然不會，詢問老師，老師認為，她出的題目顯然超過孩子的程度。