脱式计算．

①8.9×5.2+9.3

②1.4×[（7.5+38.4）÷0.9]

③9.4×8.4+5.8

④1.3×2.2﹣0.2

⑤0.9+8.3×8.3

⑥30.1÷[（6.07+2.53）×0.7]