(1)99×6.25+6.25
(2)(5.6×0.3﹣0.68)÷0.25×4
(3)6.9﹣(0.6+4.5)÷1.7
(4)7.2÷1.25÷0.8
(5)(25.5+17.25)÷0.25+0.75
(6)2.63×2.3+2.3+6.37×2.3.
(1)99×6.25+6.25
(2)(5.6×0.3﹣0.68)÷0.25×4
(3)6.9﹣(0.6+4.5)÷1.7
(4)7.2÷1.25÷0.8
(5)(25.5+17.25)÷0.25+0.75
(6)2.63×2.3+2.3+6.37×2.3.