8×(45-38) 88-(46-18) 63÷(44-35)
①68-19+25
②42÷6×8
③81-(40-24)
④64-56÷7
⑤53+3×9
⑥(18+36)÷9
①1.25×3.2×2.5
②×[0.75﹣()]
③×()
④2022×
⑤55×102+646÷38
①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×