3.06×2.5= 0.12×0.65= 38.2÷33≈(得数保留两位小数)
4.8÷3= 36.8÷16= 59.51÷11=
37.75÷25= 305.2÷14= 449.5÷29=
15.6÷8= 25.5÷5= 34.5÷15=
26.8÷4= 8.4÷12= 35.64÷6=
48.8÷16= 103÷25= 4.2÷28=
9.3÷6= 48÷25= 2.8÷16=
①3.6+5.4= ②6.7-3.8= ③0.8÷2= ④6×2.5=
⑤102×25= ⑥ = ⑦3- = ⑧ =
×8= 1-0× =
599÷6≈ 52-32= 0.75÷15=
68×51≈