下面各题怎样简便就怎样算.
(1)3.7×99+3.7 (2)×7.7+3.3×0.75﹣75%
(3)5.93+0.64+0.07+0.36 (4)(7.9﹣3.06÷0.68)×1.5
(5)78÷2.5÷0.4 (6)105×(+)
下面各题怎样简便就怎样算.
(1)3.7×99+3.7 (2)×7.7+3.3×0.75﹣75%
(3)5.93+0.64+0.07+0.36 (4)(7.9﹣3.06÷0.68)×1.5
(5)78÷2.5÷0.4 (6)105×(+)