0.78×98
12.5×3.9×0.8
4.6×3.7+6.3×4.6
15.89+(6.75-5.89)
5.17-1.8-3.2
13.75-(6.48+3.75)
3.68+7.56-2.68
7.85-(2.34-0.15)
35.6-1.8-15.6-7.2
213.6÷0.8÷0.3
32.8×10.5÷0.6
16.5÷5.5×1.7
①
②36×()
③
④
⑤3.24×0.76+3.24×0.24
⑥
①×4.5+6.5×80%﹣0.8
②4×0.8×25%×12.5
③[﹣(﹣)]÷
④2022×