① ﹣ ×
② + ×
③2.4× +2.4×
④( + )×54
⑤35×
⑥ × +0.25× ﹣
①21÷0.5÷0.6
②125×88
③2.5×32×12.5
④
⑤
⑥61×40%+38× +0.4