①13×+
②3.6×3+6.4×60%
③
④9.43﹣(0.39﹣0.37)
⑤2023
⑥×(2.5﹣)
3.75﹣0.63+0.25﹣1.37
21.36÷0.8﹣12.9
15.8+4.2÷2.5 1.25×25×3.2
2005× 17×23×
①3.6﹣2.8+7.4﹣7.2
②1.25×1.6×25
③÷4
④÷[(﹣)×]