9= = =
= = =÷2=(填带分数)
54.4÷0.16=÷16 0.06÷1.5=÷15
①2.5×7.1×4
②16.12×99+16.12
③26×15.7+15.7×24
④8.4÷5+1.6÷5
⑤1.25×0.32×2.5
⑥17.5+2.5×4
个十和个一
个十