(泰州)计算:(1)(2)[6.85﹣(0.65+0.7)]÷2.5(3).
(2.7+12.5)÷0.5-5.6 1.25×16-0.6×25+65
7.28+(1.72-0.5) 2.25×4.8+7.75×4.8
3.8×13+8.7×38[0.85+(9.25+0.65)÷0.2]×20
132-1.05÷10.5+27[4.75+8.4÷(9.2-6.8)]×40
7.8×36+78×6.4 10.8+6.7-10.8+4.3