△＋△＋△=37.5,△×□=2.25,○÷□=6,○=( )
问题描述：
△＋△＋△=37.5,△×□=2.25,○÷□=6,○=( )
答
3△=37.5,则,△=12.5
12.5×□=2.25,□=0.18
○÷0.18=6,○=1.08