食堂里有甲乙两堆煤,如果从甲堆中取出 给乙堆,这两堆煤的重量就相等,原来这两堆煤原来的质量比是请选择ABC8_-p4F*]4Q-O1H:e(N5B+G。3i7Z'T1U4m1B6`5h8U5z9W(|(\8K
A.5∶43i7Z'T1U4m1B6`5h8U5z9W(|(\8K
B.6∶53i7Z'T1U4m1B6`5h8U5z9W(|(\8K
C.5∶33i7Z'T1U4m1B6`5h8U5z9W(|(\8K