×+1÷+× (888÷8+3×333)÷[(+)×]
+++ +++++++
0.125×0.25×32 0.375×3.4+4.6×
(-+)÷ 6.72-2.3÷0.5×0.8
525.7-200.9+ 74.3
①3.6﹣2.8+7.4﹣7.2
②1.25×1.6×25
③÷4
④÷[(﹣)×]