①1.7+3.98+5 +2.02
②13×50-618÷6
③(156× -26)×
④(1.5- )×(4- )
⑤
⑥
÷+× 8.63﹣3.2+7.37 2024×101﹣2024 24×(+-)
2008× 8.8﹣6.75+9.2﹣0.25
①
②1.25×1.3×80
③7.28-3.14+1.72-2.86
④