计算
(1)2×2.77+0.23×3.2+7.6-2.05÷0.82
(2)(6.73+8.5-2.73)×0.8+3.76×0.25+25.8(3)16×3+12÷(-)
(4) 38.4×187-15.4×384+3.3×16
(5)+[+45×(-0.6)]
(6)÷[(+)×]
(7)0.78×3.6+0.078×64+0.078-10.1×0.08
(8)(-+)×7
(9)0.25×0.25×16+9.7×0.48+1.52×9.7-9.7
(10)+3.9+÷6.1+÷23+×
(11)×+×0.5+1.25×2.5×3.2
(12) [1-(+)]×24+×(+)÷
(13)÷(-×)÷7-÷-
(14)÷0.375×+2.4×÷1.5