68.4÷0.38=
8.5÷3.4=
3.25÷0.3=(用循环小数表示)
①0.57×24=
②66.5×0.24=
③※ 3.24×0.15=
④72÷15=
⑤6.3÷14=
⑥※0.86×1.02=