用简便方法计算下面各题(18分)
(1)13.6－1.8－3.2 (2)13.7＋1.98＋0.02＋5.3
(3)5.1＋0.9－5.1＋0.9 (4)36×99
(5)10.75＋0.4＋0.25 (6)38.14－5.46－4.54
用简便方法计算下面各题(18分)
(1)13.6－1.8－3.2 (2)13.7＋1.98＋0.02＋5.3
(3)5.1＋0.9－5.1＋0.9 (4)36×99
(5)10.75＋0.4＋0.25 (6)38.14－5.46－4.54
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×
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= 1﹣1×
= 5﹣1.4﹣1.06= 92+33= 0.68+
+0.32=
÷
=（
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