7086﹣42×480÷560.
(125×125)×8.
简算: 9000÷125÷80.125×5.6+×2.4.
295÷0.25÷4.
9×99+99.
用简便方法计算. (1)(2)÷19+× (3)(1.6+1.6+1.6+1.6)×25(4)9.25×9.9+92.5%