752乘1.25+4.45乘1.25+0.035乘125等于(用乘法运算律计算)

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752乘1.25+4.45乘1.25+0.035乘125等于(用乘法运算律计算)

752乘1.25+4.45乘1.25+0.035乘125等于(用乘法运算律计算)
752乘1.25+4.45乘1.25+0.035乘125等于(用乘法运算律计算)

752乘1.25+4.45乘1.25+0.035乘125等于(用乘法运算律计算)
752*1.25+4.45*1.25+0.035*125
=752*1.25+4.45*1.25+0.035*100*1.25
=(752+4.45+0.035*100)*1.25
=(752+4.45+3.5)*1.25
=(759.95)*1.25
=(760-0.05)*1.25
=760*1.25-0.05*1.25
=950-0.0625
=949.9375

=940+5.5625+4.375
=949.9375