①758-127-73+242
②270÷45
③814-499
④(40×8)×25
⑤58×101-58
⑥25×32×125
⑦125×72
⑧95+302
①15.28﹣3.6﹣3.4
②()×7.2
③
④7.5÷[(6.8﹣4.3)×0.12]