①27× ÷
② ÷ ÷
③ ÷ ×
④ + + + +
⑤ + + + +
⑥ × ÷
①××
②28×(+)
③+÷+×
①1.25×3.2×2.5
②×[0.75﹣()]
③×()
④2022×
⑤55×102+646÷38
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]
①54×98
②(+﹣)×24
③4.86×[1÷(2.1﹣2.09)]
④8﹣