202.2÷0.1= 13÷11= 5.6+4.4-0.53=
0.5³= ( )÷7= 1.8×0.5÷1.8×0.5=
﹣0.8, , ,0.705
<<<
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]
1.25×80%= = 1﹣0.375= 6÷0.2=
= 2.35+4.7= = 16×0.25=
= =