计算:5.62×49-5.62×39+43.8=________.

发布时间:2020-07-31 04:25:37

计算:5.62×49-5.62×39+43.8=________.

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100

解析分析:根据乘法分配律计算前面的两项,再相加即可求解.

解答:5.62×49-5.62×39+43.8,=5.62×(49-39)+43.8,=5.62×10+43.8,=56.2+43.8,=100.故
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