①399÷7+285
②(708﹣313)÷5
③58×(60÷4)
399÷7+294
201+232﹣365
(601﹣246)÷5
①(34-18)×87
②205-205÷5
③380+630÷9
④1242÷6÷3
⑤688÷(83-79)
⑥450-156+75
①2.4÷×
②(+﹣)×36
③×99
④29.3﹣12.6﹣7.4
⑤5.9×8.5﹣49×0.85
⑥×[6÷(﹣)]
①1.25×3.2×2.5
②×[0.75﹣()]
③×()
④2022×
⑤55×102+646÷38