小学数学比例
答案应该是这样的:
A和B的比率是7比8。
b和c是8比9
A/14 = B/16 A * 1/14 = B * 1/16 A:B = 1/16:1/14 A:B = 7:8
B/16 = C/18 B * 1/16 = C * 1/18 B:C = 1/18:1/16 B:C = 8:9
A和B的比率是7比8。
b和c是8比9
A/14 = B/16 A * 1/14 = B * 1/16 A:B = 1/16:1/14 A:B = 7:8
B/16 = C/18 B * 1/16 = C * 1/18 B:C = 1/18:1/16 B:C = 8:9