(1)375+450×25 (2)9.07-22.78÷3.4 (3)1.25×14×0.8 (4)(×3.2+0.8)× (5)5.65×+÷ (6)94×1999-93×2000
,4分)(1)计算:;
(1)计算:.
(2011浙江丽水,17,6分)计算:|-1|--(5-π)0+4cos45°.
(2011福建泉州,18,9分)计算:.
计算: