45.9÷2.7=
61.8÷0.15=
55.25÷13=
3.78÷0.25=
0.67×8.6= ★5.88÷0.56= 1.7÷3.8≈ (得数保留一位小数)
1÷0.25= 0.39÷3= 4.6×5÷4.6×2=
1.25×0.8= 0.46+0.4= 12.8+7.5-12.8+7.5=
①3.09×0.016≈ (保留两位小数)
②12.98÷0.16= 验算: