怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4

来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 21:08:14
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4

怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4

怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
3.25*(39/5)+(6/5)*3.25+13/4=(13/4)(39/5+6/5)+13/4=(13/4)*9+13/4=(13/4)*(9+1)=65/2
(1/5)*370%+6.3*1/5+4.4=(1/5)*(3.7+6.3)+4.4=2+4.4=6.4

3.25x(39/5+6/5)+13/4=3.25x(39/5+6/5+1)=3.25x10=32.5
1/5×370%+6.3×1/5+4.4=1/5x(3.7+6.3)+4.4=0.2x10+4.4=6.4


=3.25×(39/5+6/5)+13/4
=29.25+13/4
=32.5

=1/5×(3.7+6.3)+4.4
=2+4.4
=6.4