①5.7×+1.3÷
②(+﹣)÷
③÷8×(÷)
④32÷32
⑤7.75×+25%×0.125
⑥73×25%+×26+0.25
①69×101
②18.5-4.6-5.4
③2.5÷
④
⑤
① -( - )-
②875-375÷25
③12.5×32×0.25
④48×75%+53× -0.75