剪纸比赛.谁剪得快些?
(125×125)×8.
简算:9000÷125÷8 0.125×5.6+×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%