已知16.47×24=395.28,那么16.47×34的得数比395.28多________.
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164.7
解析分析:已知16.47×24=395.28,由于34=24+10,则16.47×34=16.47×(24+10),根据乘法分配律可知,16.47×(24+10)=16.47×24+16.47×10=395.28+164.7,即16.47×34的得数比395.28多164.7.
解答:已知16.47×24=395.28,
由于:
16.47×34
=16.47×(24+10),
=16.47×24+16.47×10,
=395.28+164.7.
所以16.47×34的得数比395.28多164.7.
故