①8.4+2.8-3.2
②30×(64-21)
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)
① []
②4.6+7.68﹣1+2.32
③1.25×2.5×0.4×8
④9.5×20%+