计算下面各题. 0.24×5+0.96÷1.2(-)÷+×+÷10.
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解:(1),
=,
=9-6+2,
=3+2,
=5;
(2)0.24×5+0.96÷1.2,
=1.2+0.8,
=2;
(3)(-)÷+,
=(-)×4+,
=×4-×4+,
=1-+,
=1;
(4)×+÷10,
=×+×,
=×(+),
=×1,
=.
解析分析:(1)根据乘法分配律进行计算;(2)先算乘法和除法,再算加法;(3)根据乘法分配律进行计算;(4)根据乘法分配律进行计算.
点评:四则运算,先弄清运算顺序,然后再进一步计算,能简算的要简算.