A-A+
求比值:83:25&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&
问题详情
83:25&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;&n如8p;
参考答案
(b)88:2b,
=88÷2b,
=b6b;
(2)b:b3,
=b÷b3,
=b×3,
=b2;
(3)b.2时:b8分,
=72分:b8分,
=72÷b8,
=tb.
考点:比值