①78÷7.5=
②6.9÷3.1≈ (结果保留两位小数)
③1.9÷0.25=
④★41.6÷26=
①3.84÷6
②88÷0.22
③43.68÷26
④0.612÷1.8
⑤104.78÷26
⑥50.4÷0.28