①120+180÷5×6
②9.43﹣(0.39+2.43)
③
④
⑤()×14+
⑥
①
②1.25×1.3×80
③7.28-3.14+1.72-2.86
⑤
①480+1040÷(704﹣688)
②7.4×4.5﹣2.6×5.5
③15.78﹣2.16+2.22﹣4.84
④(﹣)×24÷
⑤0.75×+×
⑥÷[(-)×]
+= ﹣= 3.5×= 2÷0.5=