15分之4×25(简便计算)
问题描述:
15分之4×25(简便计算)
答
4/15 x 25
=4/(3x5) x 5 x 5
=4x5/3
=20/3
15分之4×25(简便计算)
4/15 x 25
=4/(3x5) x 5 x 5
=4x5/3
=20/3