下面各题怎样简便就怎样算.
(1)2.7×99+2.7 (2) (3)3.93+1.64+6.07+8.36
(4)(7.9﹣3.06÷0.51)×5 (5)15﹣11.17﹣2.83 (6)15×(+)
下面各题怎样简便就怎样算.
(1)2.7×99+2.7 (2) (3)3.93+1.64+6.07+8.36
(4)(7.9﹣3.06÷0.51)×5 (5)15﹣11.17﹣2.83 (6)15×(+)
试题篮
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