• 1. (2023五上·黄岩期末) 下面各题怎样简便就怎样算。

  (3.2+0.56)÷0.8

  8.8×12.5

  0.36×23÷0.23

  9.7-22.78÷3.4

  9.6×25

  3.6÷0.15+3.6÷0.25