4.7×0.25＋5.3÷4
问题描述：
4.7×0.25＋5.3÷4
答
=4.7×1/4+5.3×1/4
=10×1/4
=5/2
4.7×0.25＋5.3÷4
=4.7×1/4+5.3×1/4
=10×1/4
=5/2