①8.24×4.6=
②0.35×0.18=
③220.5÷15=
④0.4÷0.16=
⑤0.057×4.56≈(得数保留两位小数)
⑥2.7÷0.46≈(得数保留两位小数)
a= b= c= d= e= f=
,a, ,b,
,d, ,e,