12.8×32=×3.2 14.5×56=×560
1.65÷4.3=÷43 1.8÷0.25=÷1
7.9×0.997.9×1.01 2.67÷1.526.7÷0.15
6.3÷0.890.999×6.3 3.05÷4.11
2.5×7.6×4= 0.5×800= 0.78×0= 1×0.97=
1.5×99+1.5= 34÷0.01= 0.72÷7.2= 5.4÷0.9=
①4.2×10.1
②0.94÷0.25÷4
③5.5×3.2×1.25
④2.8×4.5+5.5×2.8
⑤(15.4+0.6)÷0.04
⑥19.2÷2.4×3.2