15.9×0.5-5×0.59的简便运算是怎样的?
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![15.9×0.5-5×0.59的简便运算是怎样的?](/uploads/image/z/131758-70-8.jpg?t=15.9%C3%970.5-5%C3%970.59%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E6%98%AF%E6%80%8E%E6%A0%B7%E7%9A%84%3F)
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15.9×0.5-5×0.59的简便运算是怎样的?
15.9×0.5-5×0.59的简便运算是怎样的?
15.9×0.5-5×0.59的简便运算是怎样的?
15.9×0.5-5×0.59
=15.9×0.5-0.5×5.9
=(15.9-5.9)x0.5
=10x0.5
=5
15.9×0.5-5×0.59=1.59×5-5×0.59=5×(1.59-0.59)=5×1=5