①10.93×3.5+9.07×3.5
②(77.4-3.096÷0.4)÷0.03
③ 6.4÷0.125÷8
④22.8-(6+9.728÷3.2)
⑤30.1÷[(6.07+2.53)×0.7]
⑥0.75×24÷0.25