混合计算:0.63+0.37/(2又2/3+1又4/9)
问题描述:
混合计算:0.63+0.37/(2又2/3+1又4/9)
答
0.63+0.37/(2又2/3+1又4/9)
=0.63+0.37/(37/9)
=0.63+0.09
=0.64