题目内容

计算下面各题.
6.12÷3.6+12.8×0.6
[0.65×(2.8+3.6)]÷3.2
8.5×[4.32÷(8.6-6.8)].
(1)6.12÷3.6+12.8×0.6,
=1.7+7.68,
=9.38;

(2)[0.65×(2.8+3.6)]÷3.2,
=[0.65×6.4]÷3.2,
=0.65×(6.4÷3.2),
=0.65×2,
=1.3;

(3)8.5×[4.32÷(8.6-6.8)],
=8.5×[4.32÷1.8],
=8.5×2.4,
=20.4.
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