• 1. (2022四下·惠来期中) 计算下面各题，能简算的要简算

  ①18+0.44×2.5

  ②9.76-1.46-2.54

  ③10.4×2.9+2.1×10.4

  ④13.25-5.07+6.75

  ⑤8.75×6.3-39

  ⑥125×0.88×0.9