乘法分配率
原式=981x(1+5x10+49)=981x100=98100
981+5×9810+49×981=?（巧算,列算式）
3个回答
相关问题
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981+5×9810+49×981=?（巧算,列算式）
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用简便方法计算．72×53+41×24981+5×9810+49×981．
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1.用简便算法计算下题：（1）981+5×9810+49×98 （2）301×467 = = = =
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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这道计算题怎么简算?9.81×0.1+0.5×98.1+0.049×981
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981+982+983+984+985+986+987=984×______=______．