4.05=1.5×=×27=15× =×270
8.3÷0.12=÷12 6.43÷0.25=÷
1.89÷0.951.89 4.27×0.84.27 8.45÷1.68.45×1.6
48÷0.12= 0.1÷0.01= 8.5-3.5= 0.125×8÷2.5=
0.25×50= 8y-2y = 2.2×0.5×4= 2.4÷0.08=
①12.5×(3.2-1.9)×8
②30.2×4+19.8×4
③345.67÷0.25÷4
④0.095×20×72
⑤21.36÷0.8-12.9
⑥3.12÷0.26÷0.48