①18.1-5.7-4.3+1.9
②3.6×[2÷( -0.6)]
③32×125%×0.25
④( )×24
⑤(1.5+1)÷3.75-
⑥6 ×31-64×2.7+6.4×6
微信扫码预览、分享更方便