If your target university programmes require best 6 instead of 5, then M1/M2 can be served as a contingency plan for Chinese. You can then use M1/M2 to replace Chinese if your Chinese grade is just mediocre.
我哋係跟中三數學排名揀m1/m2,之前會有捨難取易嘅情況令(極端)可能級1-30揀曬m1,級31-60揀左m2,過一年半載就一半drop M2,亦影響學校業績(數學但大意讀m1都係唔理想)
近年改咗m1 or m2自group 埋一班一齊m1 or m2 + core subjects, 標籤效應下又多返前列同學揀m2數學老師亦可彈性安排core math / M數嘅教學時數,缺點係社交會有點奇怪(assume數理邏輯強的會有點)