计算:
(1)19175÷59+678
(2)36.5×1.4﹣8.51÷3.7
(3)4+4
÷3
×1
(4)4.6×+0.6×3.4+2×
(5)[1+(2
﹣0.35)×
]÷12.
下列各题怎样简便就怎样计算
(1)
(2)
(3)2012×20.11﹣201.2×201
(4).
脱式计算,能简算的要简算:
4.67﹣(2.98+0.67);÷[
﹣(
+
)];8×0.4×12.5×2.5;
125×(8+0.8+0.08); 1.89×0.9+0.189;23.8×99+2.38.
计算,能简算的要简算÷
+
+
×
+
×
[1﹣(
﹣
)]×
(
+
)×23+
.
简算:
4×0.8×2.5×1.25;〔(+
)÷
〕×
;1﹣(
﹣
)×3;
98+99×98;4.2﹣1.38+5.8﹣3.62;(+
)×
.