0.54乘1.79加0.046加179乘0.0053的简便运算了怎么做？
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=0.54×1.79+0.046+179×0.0053
=0.54×1.79+0.046+1.79×0.53
=（0.54+0.53）×1.79+0.046
=1.07×1.79+0.046=1.9613
=0.54×1.79+0.046+1.79×0.53
=（0.54+0.53）×1.79+0.046
=1.07×1.79+0.046=1.9613
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