①
②6×+13÷8-19×12.5%
③2.84+5.6-0.84+4.4
④
⑴59×101 ⑵12.7-3.6-5.4 ⑶1.25×2.5×3.2 ⑷31.9×0.18-80%×3.19 ⑸24×(+-) ⑹(48×+64)÷25%
①36×()
②1.3×37.5%+2.7×
③ [()]
④13÷()×
①×4.5+6.5×80%﹣0.8
②4×0.8×25%×12.5
③[﹣(﹣)]÷
④2022×