①14.65-3.28-5.72
②34.5+27.6-8.23
③63×43+57×63
④25×36
⑤0.8+1.07+0.93+6.2
⑥208×[476÷(19+49)]
①57.6﹣18.15+32.4﹣11.85
②78×25+1764÷49
③2.5×32×12.5
④3.6×[(37.5+18.5)÷2.8]
⑤÷[(﹣)×]
⑥199×99+178+21