0.8÷0.4×0.15 1.96÷0.8÷5 12.5×3.4×0.05×0.8
2.07+0.93÷0.3-1.83 8.6×9.9 0.25×[(23.5+8.5)÷0.8]
①125×1.08
②0.25×16.5×4
③23.8×101-23.8
④7.2×9.9
⑤2.65+3×2.3
⑥1.2×2.5+0.8×2.5
①54×98
②(+﹣)×24
③4.86×[1÷(2.1﹣2.09)]
④8﹣
①×4.5+6.5×80%﹣0.8
②4×0.8×25%×12.5
③[﹣(﹣)]÷
④2022×