24×(+-) ÷+× 8.63-3.2+7.37-6.8
0.125×0.25×32 0.375×3.4+4.6×
(-+)÷ 6.72-2.3÷0.5×0.8
①
②÷13+ ×
③
④
①3.6﹣2.8+7.4﹣7.2
②1.25×1.6×25
③÷4
④÷[(﹣)×]